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Task 5 in Statistics and Probability.: Jessy Anne G. Bravo HUMSS11B1

This document contains questions and answers from a statistics and probability textbook. It includes examples of finding the elements of events, such as drawing a red face card from a deck of cards or rolling dice with a sum of 8. It also contains questions about counting possible choices, such as the number of meal combinations from different food options or film choices showing at a mall. The final question asks how many ways a student could answer a 10 question multiple choice test both with any answers and with all answers wrong.

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Bravo,Jessy Anne G.
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75 views7 pages

Task 5 in Statistics and Probability.: Jessy Anne G. Bravo HUMSS11B1

This document contains questions and answers from a statistics and probability textbook. It includes examples of finding the elements of events, such as drawing a red face card from a deck of cards or rolling dice with a sum of 8. It also contains questions about counting possible choices, such as the number of meal combinations from different food options or film choices showing at a mall. The final question asks how many ways a student could answer a 10 question multiple choice test both with any answers and with all answers wrong.

Uploaded by

Bravo,Jessy Anne G.
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Task 5 In

Statistics And
Probability.

Jessy Anne G. Bravo


HUMSS11B1
The following questions were lifted from the Statistics and
Probability Book by Chan Shio, CP. and
Reyes, MA.

1. In each of the
following experiments,
list the elements of the
given event A.

a. A card is drawn from a


standard deck of playing
cards. Let A be the event
that the card drawn is a
red face card.

Answer:
King of diamonds, Queen of diamonds, Jack
of diamonds, King of hearts, Queen of
hearts, and Jack of hearts.
The following questions were lifted from the Statistics and
Probability Book by Chan Shio, CP. and
Reyes, MA.

b. Two fair dice are


rolled. Let A be the event
that the sum of the dice
is 8.

Answer :

(2,6), (3,5), (4,4), (5,3), (6,2)


The following questions were lifted from the Statistics and
Probability Book by Chan Shio, CP. and
Reyes, MA.

2. Lavin is choosing which


template to use for her
presentation. Suppose that
she has three folders of
templates, containing 12,
23, and 30 different
designs. Assuming she can
only use one template
design for her
presentation, by the rule
of sum, she would have how
many possible choices?

Answer:

65 designs choices (12 + 23 + 30)


3. A restaurant offers a
choice of three appetizers,
twelve entrees, five
desserts, and four
beverages. How many
different meals are
possible if a customer
intends to order only three
courses? (Consider the
beverage to be a “course”)

Answer :

Courses Number of possible meals :

Appetizer, entrée, dessert 3 x 12 x


5 = 180 Appetizer, entrée, beverage
3 x 12 x 4 = 144 Appetizer,
dessert, beverage 3 x 5 x 4 = 60
Entrée, dessert, beverage 12 x 5 x
4 = 240 180 + 144 + 60 + 240 = 624
three-course meals
The following questions were lifted from the Statistics and
Probability Book by Chan Shio, CP. and
Reyes, MA.

4. There are five


action, three drama,
and four comedy films
showing at a local
mall. If Phoebe goes
to this mall to watch
a single movie, how
many possible choices
does she have?

ANSWER :

12 film choices (5 + 3 + 4 = 12)


The following questions were lifted from the Statistics and
Probability Book by Chan Shio, CP. and
Reyes, MA.

5. An exam consists of 10
multiple-choice questions,
each of which has 4
choices.

a.In how many ways can a


student answer the test?

B.in In how many ways can a


student answer the test and
get all the answers wrong?

ANSWERS :

A.There are 40 ways for a student to answer the test.


(10 items x 4 letter choices)

B.There are 30 ways for a student to answer the test


and get all the answers wrong. (10 items x 3 wrong
answers)

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