4/21/24, 9:39 AM FIRST QUARTER EXAM: Attempt review

Home / My courses / BAED-STAT2112-2322S / FIRST QUATER EXAM / FIRST QUARTER EXAM

Started on Sunday, 21 April 2024, 6:44 AM

Question 1
Correct

Mark 1.00 out of 1.00

Determine what type of random variable is represented in the given scenario.

“Outcomes in rolling a pair of dice”

a. Dependent Variables

b. Continuous random variables

c. Discrete random variables

d. Independent Variables

Your answer is correct.

Question 2
Correct

Mark 1.00 out of 1.00

Five balls numbered 1, 2, 3, 4, and 5 are placed in a box. One is selected, its number is noted and then it is replaced. If this experiment
is repeated many times, find the variance of the numbers on the balls.

a. 1.41

b. 3

c. None of the choices

d. 2

Your answer is correct.

shsexam.amaes.com/2322/mod/quiz/review.php?attempt=55685&cmid=216&showall=1 1/18
4/21/24, 9:39 AM FIRST QUARTER EXAM: Attempt review

Question 3

Correct

Mark 1.00 out of 1.00

The normal curve is often called Gaussian distribution.

a. False

b. True

c. Cannot be determined

d. None of the choices

Your answer is correct.

Question 4
Correct

Mark 1.00 out of 1.00

These are random variables that can take on any of the countless number of values in an interval.

a. Continuous random variables

b. None of the choices

c. Discrete random variables

d. Countable random variables

Your answer is correct.

Question 5
Correct

Mark 1.00 out of 1.00

These are random variables that can assume all values between any two specific values.

a. None of the choices

b. Discrete random variables

c. Continuous random variables

d. Countable random variables

Your answer is correct.

shsexam.amaes.com/2322/mod/quiz/review.php?attempt=55685&cmid=216&showall=1 2/18
4/21/24, 9:39 AM FIRST QUARTER EXAM: Attempt review

Question 6

Correct

Mark 1.00 out of 1.00

It is a perfectly symmetric, mound-shaped distribution.

a. Standard distribution

b. Both A and B 

c. Normal distribution

d. Gaussian Distribution

Your answer is correct.

Question 7
Correct

Mark 1.00 out of 1.00

The normal distribution is continuous.

a. Cannot be determined

b. True

c. False

d. None of the choices

Your answer is correct.

Question 8
Correct

Mark 1.00 out of 1.00

These are random variables that can assume only a countable number of values.

a. Discrete random variables

b. Countable random variables

c. Continuous random variables

d. None of the choices

Your answer is correct.

shsexam.amaes.com/2322/mod/quiz/review.php?attempt=55685&cmid=216&showall=1 3/18
4/21/24, 9:39 AM FIRST QUARTER EXAM: Attempt review

Question 9

Correct

Mark 1.00 out of 1.00

The area under the part of a normal curve that lies within one standard deviation of the mean is ________.

a. about 95%

b. about 34.13%

c. about 99.7%

d. about 68%

Your answer is correct.

Question 10
Correct

Mark 1.00 out of 1.00

The experiment consists of counting the number of events that will occur during a specific interval of time or in a specific distance,
area, or volume.

a. Binomial Experiment

b. Discrete Probability Distribution

c. Hypergeometric Experiment

d. Poisson Experiment

Your answer is correct.

Question 11
Correct

Mark 1.00 out of 1.00

It is the set of all possible outcomes of a probability experiment.

a. Outcome

b. Chance

c. Sample space

d. Experiment

Your answer is correct.

shsexam.amaes.com/2322/mod/quiz/review.php?attempt=55685&cmid=216&showall=1 4/18
4/21/24, 9:39 AM FIRST QUARTER EXAM: Attempt review

Question 12

Correct

Mark 1.00 out of 1.00

Five balls numbered 1, 2, 3, 4, and 5 are placed in a box. One is selected, its number is noted and then it is replaced. If this experiment
is repeated many times, find the mean of the numbers on the balls.

a. 3

b. 2

c. None of the choices

d. 1.41

Your answer is correct.

Question 13
Correct

Mark 1.00 out of 1.00

It is useful for describing the number of events that will occur during a specific interval of time or in a specific distance, area, or
volume.

a. Binomial Experiment

b. Hypergeometric Experiment

c. Discrete Probability Distribution

d. Poisson Experiment

Your answer is correct.

Question 14
Correct

Mark 1.00 out of 1.00

What is the probability that the total of two dice will be greater than 9, given that the first die is a 5?

a. 11/36

b. 7/36

c. 5/12

d. 1/3

Your answer is correct.

shsexam.amaes.com/2322/mod/quiz/review.php?attempt=55685&cmid=216&showall=1 5/18
4/21/24, 9:39 AM FIRST QUARTER EXAM: Attempt review

Question 15

Correct

Mark 1.00 out of 1.00

Random means that the experiment may result in one of several possible values of the variable.

a. Cannot be determined

b. None of the choices

c. False

d. True

Your answer is correct.

Question 16
Correct

Mark 1.00 out of 1.00

It is a measure of how spread out the values are.

a. Mean

b. Median

c. Standard deviation

d. Mode

Your answer is correct.

Question 17
Correct

Mark 1.00 out of 1.00

This is a complete description of all the possible values of the random variable, along with their associated probabilities.

a. Probability Distribution

b. Random Experiment

c. None of the choices

d. Cumulative Distribution Function

Your answer is correct.

shsexam.amaes.com/2322/mod/quiz/review.php?attempt=55685&cmid=216&showall=1 6/18
4/21/24, 9:39 AM FIRST QUARTER EXAM: Attempt review

Question 18

Correct

Mark 1.00 out of 1.00

It is applied when the probability of success are not the same from trial to trial.

a. Poisson Experiment

b. Hypergeometric Experiment

c. Discrete Probability Distribution

d. Binomial Experiment

Your answer is correct.

Question 19
Correct

Mark 1.00 out of 1.00

DOLE found that 83% of Filipinos think that having a college education is important to succeed in life. If a random sample of 7
Filipinos is selected, find the probability that at most two people will agree with that statement.

a. 0.0816

b. 0.0021

c. 0.0020

d. 0.0000

Your answer is correct.

Question 20
Correct

Mark 1.00 out of 1.00

It is a result of a single trial of a probability experiment.

a. Experiment

b. Sample space

c. Chance

d. Outcome

Your answer is correct.

shsexam.amaes.com/2322/mod/quiz/review.php?attempt=55685&cmid=216&showall=1 7/18
4/21/24, 9:39 AM FIRST QUARTER EXAM: Attempt review

Question 21

Incorrect

Mark 0.00 out of 1.00

The normal distribution is unimodal.

a. None of the choices

b. Cannot be determined

c. False 

d. True

Your answer is incorrect.

Question 22
Correct

Mark 1.00 out of 1.00

There are only two possible outcomes for each trial, success and failure.

a. Discrete Probability Distribution

b. Hypergeometric Experiment

c. Binomial Experiment

d. Poisson Experiment

Your answer is correct.

Question 23
Correct

Mark 1.00 out of 1.00

The area under the part of a normal curve that lies within three standard deviation of the mean is ________.

a. about 95%

b. about 99.7%

c. about 34.13%

d. about 68%

Your answer is correct.

shsexam.amaes.com/2322/mod/quiz/review.php?attempt=55685&cmid=216&showall=1 8/18
4/21/24, 9:39 AM FIRST QUARTER EXAM: Attempt review

Question 24

Correct

Mark 1.00 out of 1.00

The area under the part of a normal curve that lies within two standard deviation of the mean is ________.

a. about 34.13%

b. about 95%

c. about 99.7%

d. about 68%

Your answer is correct.

Question 25
Correct

Mark 1.00 out of 1.00

Determine what type of random variable is represented in the given scenario.

“Weight of the employees in a call center company”

a. Discrete random variables

b. Continuous random variables

c. Dependent Variables

d. Independent Variables

Your answer is correct.

Question 26
Correct

Mark 1.00 out of 1.00

The normal distribution curve is symmetric about the mean.

a. False

b. None of the choices

c. Cannot be determined

d. True

Your answer is correct.

shsexam.amaes.com/2322/mod/quiz/review.php?attempt=55685&cmid=216&showall=1 9/18
4/21/24, 9:39 AM FIRST QUARTER EXAM: Attempt review

Question 27

Correct

Mark 1.00 out of 1.00

Determine what type of random variable is represented in the given scenario.

“The amount of time represents a task.”

a. Independent Variables

b. Discrete random variables

c. Continuous random variables

d. Dependent Variables

Your answer is correct.

Question 28
Correct

Mark 1.00 out of 1.00

These are the most important characteristics of any probability distribution.

a. Variance

b. None of the above

c. Mean and standard deviation

d. Mean, median and mode

Your answer is correct.

Question 29
Correct

Mark 1.00 out of 1.00

It represents the numerical value of a simple event of an experiment.

a. Independent Variables

b. Random variables

c. Dependent Variables

d. Probability Experiments

Your answer is correct.

shsexam.amaes.com/2322/mod/quiz/review.php?attempt=55685&cmid=216&showall=1 10/18
4/21/24, 9:39 AM FIRST QUARTER EXAM: Attempt review

Question 30

Correct

Mark 1.00 out of 1.00

A vintage car breaks down an average of four times per month. Find the probability that during the next month this vintage card will
have at most two breakdowns.

a. 0.0733

b. 0.0183

c. 0.1465

d. 0.2381

Your answer is correct.

Question 31
Correct

Mark 1.00 out of 1.00

It is a measure of the number of standard deviations a particular data point is away from the mean.

a. z-score

b. variance

c. t-score

d. p-value

Your answer is correct.

Question 32
Correct

Mark 1.00 out of 1.00

Determine what type of random variable is represented in the given scenario.

“Number of DVD monthly sales in a Video Center”

a. Discrete random variables

b. Independent Variables

c. Dependent Variables

d. Continuous random variables

Your answer is correct.

shsexam.amaes.com/2322/mod/quiz/review.php?attempt=55685&cmid=216&showall=1 11/18
4/21/24, 9:39 AM FIRST QUARTER EXAM: Attempt review

Question 33

Correct

Mark 1.00 out of 1.00

DOLE found that 83% of Filipinos think that having a college education is important to succeed in life. If a random sample of 7
Filipinos is selected, find the probability that exactly 4 will agree with that statement.

a. 0.0816

b. 0.0819

c. 0.0817

d. 0.0818

Your answer is correct.

Question 34
Correct

Mark 1.00 out of 1.00

It is a numerical measure of the likelihood that a specific event will occur.

a. Experiment

b. Probability

c. Statistics

d. Variable

Your answer is correct.

Question 35
Correct

Mark 1.00 out of 1.00

It is a function or rule that assigns a number to each outcome of an experiment.

a. Probability Experiment

b. Dependent Variable

c. Random variable

d. Independent Variable

Your answer is correct.

shsexam.amaes.com/2322/mod/quiz/review.php?attempt=55685&cmid=216&showall=1 12/18
4/21/24, 9:39 AM FIRST QUARTER EXAM: Attempt review

Question 36

Correct

Mark 1.00 out of 1.00

When you roll the two dice, what is the probability that the sum is 4?

a. 1/12

b. 5/12

c. 11/12

d. 7/12

Your answer is correct.

Question 37
Correct

Mark 1.00 out of 1.00

The normal curve is asymptotic.

a. Cannot be determined

b. True

c. False

d. None of the choices

Your answer is correct.

Question 38
Correct

Mark 1.00 out of 1.00

The experiment consists of n independent, identical trials

a. Hypergeometric Experiment

b. Poisson Experiment

c. Binomial Experiment

d. Discrete Probability Distribution

Your answer is correct.

shsexam.amaes.com/2322/mod/quiz/review.php?attempt=55685&cmid=216&showall=1 13/18
4/21/24, 9:39 AM FIRST QUARTER EXAM: Attempt review

Question 39

Correct

Mark 1.00 out of 1.00

When you roll the two dice, what is the probability that the sum is 9?

a. 5/36

b. 1/9

c. 7/36

d. 2/9

Your answer is correct.

Question 40
Correct

Mark 1.00 out of 1.00

The normal distribution is bell-shaped.

a. None of the choices

b. False

c. Cannot be determined

d. True

Your answer is correct.

Question 41
Correct

Mark 1.00 out of 1.00

The probability of success remains the same from trial to trial.

a. Poisson Experiment

b. Hypergeometric Experiment

c. Binomial Experiment

d. Discrete Probability Distribution

Your answer is correct.

shsexam.amaes.com/2322/mod/quiz/review.php?attempt=55685&cmid=216&showall=1 14/18
4/21/24, 9:39 AM FIRST QUARTER EXAM: Attempt review

Question 42

Correct

Mark 1.00 out of 1.00

Five balls numbered 1, 2, 3, 4, and 5 are placed in a box. One is selected, its number is noted and then it is replaced. If this experiment
is repeated many times, find the standard deviation of the numbers on the balls.

a. 3

b. 2

c. None of the choices

d. 1.41

Your answer is correct.

Question 43
Correct

Mark 1.00 out of 1.00

Five hundred raffle tickets are sold at ₱25 each for three prizes of ₱4,000, ₱2,500, and ₱1,000. After each prize drawing, the winner
ticket is then returned to the collection of tickets. What is the mean or expected value if a person purchases four tickets?

₱3,900
₱2,400

₱900

-₱100

P(x)

4/500
4/500

4/500

496/500

a. -₱19.20

b. ₱31.20

c. ₱99.2

d. -₱41.60

Your answer is correct.

shsexam.amaes.com/2322/mod/quiz/review.php?attempt=55685&cmid=216&showall=1 15/18
4/21/24, 9:39 AM FIRST QUARTER EXAM: Attempt review

Question 44

Correct

Mark 1.00 out of 1.00

Determine what type of random variable is represented in the given scenario.

“Number of television per household”

a. Continuous random variables

b. Independent Variables

c. Dependent Variables

d. Discrete random variables

Your answer is correct.

Question 45

Correct

Mark 1.00 out of 1.00

The most common way to measure the spread of a normal distribution.

a. Median

b. Mean

c. Standard deviation

d. Mode

Your answer is correct.

Question 46
Correct

Mark 1.00 out of 1.00

It is a mapping or list of all values of a random variable to their corresponding probabilities for a given sample space.

a. Cumulative Distribution Function

b. Probability Distribution

c. None of the choices

d. Random Experiment

Your answer is correct.

shsexam.amaes.com/2322/mod/quiz/review.php?attempt=55685&cmid=216&showall=1 16/18
4/21/24, 9:39 AM FIRST QUARTER EXAM: Attempt review

Question 47

Correct

Mark 1.00 out of 1.00

It is the square root of the variance.

a. Mode

b. Median

c. Mean

d. Standard deviation

Your answer is correct.

Question 48
Correct

Mark 1.00 out of 1.00

It is commonly referred to as a normal curve, or bell curve.

a. None of the above

b. Normal Distribution

c. Probability distribution

d. Standard distribution

Your answer is correct.

Question 49
Correct

Mark 1.00 out of 1.00

A package of 8 AAA size batteries contains 2 that are defective and 6 that are non – defective. If we select 4 batteries at random from
the package, what is the probability that the sample contains exactly 1 defective battery?

a. 0.5714%

b. 57.14% 

c. 58%

d. 57%

Your answer is correct.

shsexam.amaes.com/2322/mod/quiz/review.php?attempt=55685&cmid=216&showall=1 17/18
4/21/24, 9:39 AM FIRST QUARTER EXAM: Attempt review

Question 50

Correct

Mark 1.00 out of 1.00

The mean, median and mode have different values in a normal distribution.

a. False

b. Cannot be determined

c. None of the choices

d. True

Your answer is correct.

◄ Announcements

Jump to...

SECOND QUARTER EXAM ►

shsexam.amaes.com/2322/mod/quiz/review.php?attempt=55685&cmid=216&showall=1 18/18