CSP COMPREHENSIVE PRACTICE PREPARATION COURSE Langlois, Weigand & Associates, Inc. 3933 Overlook Point Court Baton Rouge, LA 70817 OFC (225) 755-4099 FAX (225) 755-1933CSP COMPREHENSIVE PRACTICE PREPARATION AGENDA Day 1 AM, Introduction, Probability, Statistics and Engineering Economy PM. Collecting Safety, Health, Environmental, and Security Risk {formation Sat Day? AM, Assessing Safety, Heath, Environmental, and Security Risk P.M. Assessing Safety, Health, Environmental, and Security Risk Day 3 AM. — Managing Safety, Health, Environmental, and Security Risk P.M. Managing Safety, Health, Environmental, ané Security Risk Langlois, Weigand & Associates, Inc. '3933 Overlook Point Court Baton Rouge, LA 70817 (225) 755-4099 (225) 755-1933 langwah@bellsouth.net maweigand@outlook.com hitos/sites google. com/site/langloisweigandschedule/home Copyright —May, 2014 Coptiht© Langlois, Wetand Asacits Ine, Page 2ABOUT THE INSTRUCTORS C. David Langlois, CSP is President of Langlois, Weigand & Associates, Inc. Prior to entering the consulting field full-time, Mr. Langlois served as an Instructor at Louisiana State University from 1981 until 1989. He holds @ Bachelor of Science in Industrial Technology from LSU and a Masters Degree in Business Administration from the University of North Dakota. He has over 30 years ‘experience in the safety and training field. He has presented programs at several regional and national conferences. Mr. Langlois has served as President of the Greater Baton Rouge Chapter of ASSE, Vice President, Region VI from 1986- 1990, and VP, Communications from 1990-91. He was named a Fellow by ASSE in 2010. Michael A. Weigand, CSP is Vice President of Langlois, Weigand & Associates, Inc. Before entering the consulting field full-time he served as an Instructor at Louisiana State University from 1980 until 1989. He holds a Bachelor of Science degree in Occupational Safety & Health from Our Lady of Holy Cross College in "New Orleans, LA, a Masters Degree in Safety Management from the University of Arizona, and a Doctor of Education in Safety Education from Texas A&M University. He has over 35 years experience in the safety & health career field. In addition to teaching the ASPICSP Refresher seminar for both NIOSH and ASSE, he has presented programs at several regional and national conferences. Copyright Langlois, Weigand & Associ, ne, Page 3SEMINAR OBJECTIVES 1. Provide patticipants with an intensive review of the materials, skills, and knowledge considered essential for successfully passing the Comprehensive Practice Examination. Enhancing the professional competencies of participants. ‘This will be accomplished by: * Identifying certification requirements of the Board of Certified Safety Professionals for the CSP designation, Reviewing test taking strategy, test format, scoring procedures, and recent examination results. * Identifying the principle reference materials available to prepare for the Comprehersive Practice Examination. * Discussing the range and scope of information covered in the Comprehensive Practice Examination, * Utilizing a "testing" format to review content materials. * Providing en opportunity to practice solving analytical (math) problems. Providing opportunities for discussion and questions. Identifying limitations in exam preparation. 2008 2009 2010 2011 2012 Exams | 1,109 1,028 859 936 1,169 PassRate | 66.1% | 703% | 73.7% | 672% | 78.7% Mean 59.8% 60.3% 60.6% 63.6% 61.4% Note: The Passing Score on all Version: 54.9%. (Copyright© Langlois, Wenand & Asoc, Ine, Page 4 20\2 ww! aul its‘TEST-TAKING STRATEGY In order to do your absolute best, consider the following: Reduce anxiery by being adequately prepared for the examination. When taking the exam: A. General es 200 be = Read the instructions carefully oh = Monitor the TIME - keep track of your progress ‘Answer the questions you know or ean work first if you are Dn unsare othe problem appears unduly complicated skip over Ap xae~ and come back as time permits pekabo & = Remember, one question one point Flees, gre we * Finish the test - there is no penalty for guessing B. Specitic = Read each question thoroughly identifying key ideas, words, exceptions, or phrases. You may want to draw a sketch to help understand its intent Anticipate the obviously comrect answer * Bliminate any obviously incorrect answers "Select the most appropriate response by the process of elimina = Mark the answer key accurately Cosyight® Langlois, Weigand & Associa, ne, Page S10, n 13, fo titone CONVERSIONS pote hwo aay» Mame Conese Imile=_5,Q60_ ft = le km 1eut=_ 7.48 _ gallons 1 galofwater=_ &, 3¢ Ibs 1gal=__.3..2 liters 1ke=_(0o0 2 Lliter=__/6¢ 6 mulliliters Im'=_/o09 liters =_(600 ky of water I meter=_/96 millimeters Imeter=__3,3 feet Imeter=__/00 om 1Pas__ Nim? LkPa=_/060 _ pascals CopyrightD Langlis, Weigand & Assists, Inc, Page 6ge ef i is li Other Conversions to Know (Not a Complete List) : a yt 8 msec? Acceleration of Gravity ~ 32.2 fisec” Avagadro's Number= 6.02 x 10% atoms or molecules/gram-mole 1 atm = 14.7 psi= 760 mm Hg = 29.92 inches of water = 101.3 kPa 1 mole of gas = 22.4 liters @ 0° C; 1 atm=24.45 liters @ 25° C, 1 atm Density of water= I g/cm? = 1 kg/iter = 8.34 Ib/gal ~ 62.4 Ib/f? Change in Water Pressure = 433 psi/ft =9.8 kPalm | watt= 1 joule per second Other Conversions or Constants may be provided in the body of the question, ‘There is no longer a formula sheet for the exam, There may also be additonal ‘equations which are "decoys," not needed to solve the problem, a ectange Qiuse ee prtwnee PP a yew ia anteal, not pert Ue V (kmh) = leas V (mh) = Ye5us CopyrightD Langlois, Wegand& Associates, Ine, PageCALCULATOR 1. 3=_9p] (USE THE x‘ KEY) 2, vgo4=__[8 3. 3'=_Ginoto = OAH 4, Logl00=__Q 5. Antilog of 3=__+2S¢ (000 Qn 10” 6 f=, 0067 7 st=_IZo_ S gp widel! inh. ante 8. 1002 = 002'=_So 9. SIN30°=__,5 GL angles vir beg ute 10. Avsine05=_ 30° ao eeaeee Baa dedce lL Kola LL, (343x 10%) x 678 x 107)=__ Aube ¥y02? Bod bela ¥ Garrod xena) g.uex OF vig set Do x= __SWIS9 AY ky Ba ‘Note: There is an on-screen calculator for use on the exam. Copyngheo Langis, Weigand & Assess, ne, FagePROBABILITY Probability - ratio of ways an event can occur in a specified manner to the total ‘number of ways the event can occur OO®@ Mutually Exclusive - occurrence of one outcome excludes the possibility of another (if coin toss results in heads, it can't be tails) jeon S Independent Event - occurrence of one event does not affect subsequent events (Coin toss turning up heads on first toss does not affect outcome of second toss) nuatory doesn't datbomne go Dependent Event - occurrence of one event does affect subsequent events (election of a single card from deck does affect the outcome of the second choice) history dors influence future Addition Rule - the probability that one of several mutually exclusive events will ‘occur isthe sum ofthe separate probabilities [OR] Separate p [OR] ea or Glue Yas +73 ‘Multiplication Rule - the probability that two (or more) independent events will ccurs the product of thelr separate probabilites [AND] ye Ig x he V4 > bath 3) Copyright© Lagi, Weg & Asocines ne, Page (VRE Tea PondWHAT IS THE PROBABILITY OF: : ont wwot 1. Getting a"1" when rolling a die? Jr PAPAL 2. Not getting a"1" when roling a die?_F[ only wey aystom can 3. Getting "I" oF "2" in one roll of adie? _') ee ° sysbnon af qt 4, Getting "snake eyes” when rolling two die? ae Land | Reet 5. _ A machine produces 0.02 defective parts. The probability si ‘none of ten parts sampled will be defective is oo — te (4 goed port whee 6. The probability that some of the above parts are defective je aw 7. The probability that all of the above parts are defective is__ 029 970 : h ot as @ so ON vee coviene aes Neematrmdente.reeto ys 3" oy ie eeSTATISTICS Descriptive - summary information about a population (measures of central tendency, variance) (See Venn Diagram] a ® Inferential - generalizing from sample to population (prediction, inference) ‘There are two major branches of statistics: descriptive and inferential Mean - sum of measurements divided by the total number of measurements (Average or 3) ‘Median - middle value when measurements are arranged in order e. bak eae ‘Mode ~- measurement that occurs most often (highest frequency) Range - difference between smallest and largest measurements Standard Deviation pose square rot of the variance (incatesow closely. ‘the measurements vary about the mean) (BCSP ow ) nea re 3 ae Sampk Standard Deviation Dx?) Population Standard Deviation Note: In the above equations x= X— ¥ Copyright Langlois, Weigand & Associates, he, Page 11‘THE NORMAL DISTRIBUTION Average Score—120 Standard Deviation~-22 NOTE: +1sd=68% 28d IS% £3 sd = 99.7% Determine the following using these data points: 8, 12, 25,25, 28, 36, and 41 1. Median-__35 2. Mode-__2.5 3. Range-__ 29 4. Mean-__4 6 (use calculator’s statistics function) 5. Sample Standard Deviation - 4 (use calculator’s statistics function) 6. Population Standard Deviation -_1 0.4 (use calculator's statistics function) ‘Note: The approximate standard deviation can be determined by dividing the range by four. Copyright Langlois, Weigand & Asoo Ine, Page 127. When all data is not distributed normally (a bell-shape) itis known as * Lots of really high scores. Lots of really low scores. 1. Negative skew: The left tl is longer; the mass of the dist concentrated on the right ofthe figure. It has relatively few low values. The distribution is sai tobe lft- skewed. Example (observations): 1,1000,1001,1002,1003. 2, Positive skew: The right tail is longer; the mass ofthe distribution is concentrated on the eft ofthe figure. Ithas relatively few high values. The distribution is said to be right- skewed. Example (observations) 12,3,4,100. CConrishto Langlois, Weigand & Associates, Ie, Pape 13 skewed, This distributions skewed tothe gamer [negative ieuw ENGINEERING ECONOMY Present Value - value today of a future payment or series of payments at a set interest rate for a fixed number of years ~~ Annuity - a series of payments of a fixed amount for a specified number of years % oe (payments are made at the end of the year) Og Net present ylortn Se oe P = Present Value (Present Worth) BCSP Formulas Se F = Future Value (Compound Sum) A= Amount of cash flow per time period (annually, quarterly, monthly) i= Interest rate per time period ape mest commen n= # of time periods NOTE: A,i, and n must all refer to same time period. Ye a4 F=P(1+i9 _(a+ir- 2 paal a+ ) a=" (Gaps) [Copy Langs, Weigand & Associates, In, Page 14‘SAMPLE QUESTIONS: 1. What is the future value of a deposit of $5,000 ifthe interest rate is 10% and. the time is 5 years? 8 $452. F=P(1 +i)" (BCSP) Future Value ofa single payment (lump sum) 2. What is the present value (discount value) of the future sum of $10,000 if the interest rate is 10% and the time is 10 years? 3, #55 P=F(1 +i)" (BCSP) Present Value of a single payment Copyright© Langlois, Weigand & Assocs, In, Pge 151874 37 120 months an a What is the future value of saving $100 per month if the interest rate is 6% and the time is 10 year Davee 2? ) (GER) oH rae abe of Seif Swi ; 4. Your company has decided to obtain a new machine for the production floor. ‘There are two options. Option one is to lease a new machine for 10 years at ‘$2,000 per year. Option two is to purchase the machine for $10,000 with a ‘maintenance agreement of $500 per year. After 10 years, you can sell the machine for a salvage value of $5,000. The value of money will be 15% for the ten years. Which option do you recommend? (owe [BCSP) PV of regular payments pea ia +i" ) « seule P=F(1+i)" (BCSP) PV of lump sum ) Lease WS) 0,037) 2 Pursue vet, TOE 2006 x (154115) 5 so, 000 ~ Pusduat 00 Buy ASorm mart (ev) (12.30)~ Pv ok setueg. — Geiting bed U1, 273 Copyright© Langlois, Weigand & Associates, ln, Page 16Summary of Engineering Economy Equations: Note: Assume 5% annual compounding for all of the examples. 1. P=F Whats the present value (lump) of a future value (lump). Example: What amount would someone have to offer you today in ‘exchange for receiving $1,000 in five years? (Ans, $780) P= 1000 (105) .Fyg5 2. FSP Whatis the future value (lump) of a present value (lump). Example: If you buy a CD today for $1,000 that matures in five years, how much will i: be worth when it matures? (Ans. $1,280) F = Jove (10s) 2 */ate.28 3. R=A Whats the future value (lump) of periodic money transfers. Example: If you save $1,000 per year for five years, how much will you have at the end? (Ans. $5,530) Copyright Langlois, Weigand & Associ, ne, Page 174. A=F Periodic transfer amount of a future sum (lump). ‘Example: What amount would you have to deposit annually for the next five years to have $1,000? (Ans. $180) : 4 A= foro [ 95 2/90. (aos, 5. P=A__‘Whatis she present value ump) of periodic money transfers. Example: If you were to receive annual checks of $1,000 for the next five ‘years, how much would it be worth today? (Ans. $4,330) Pe jet (2) (rests) Typeg 108 (103 6 A=P Periodic transfer amount of a present sum (lump). Example; What amount would you have (o receive annually for dhe next five years to equal an offer of $1,000 today? (Ans. $230) Rh + 4000 (25 (i on) (at ks Copyiht© Langlois, Weigand & Associates, Ine. Page 18ENGINEERING ECONOMY PRACTICE ‘What is the present value of $10,000 five years from now if the interest rate 's expected to be 7%? pe 19002 (uory> £124.86 How much money should be in the bank if a one-time deposit of $20,000 is made and left for 20 years at 9% interest? Fe gocs0(104)** Aye cev we ‘What is the present value of an annuity that will pay $1,000 at the end of each of the next three years and the interest rate is 8.5%? Ps 1,000 (n08s?-1) 8 2564 08s (oes) = How much money must be deposited today for the balance to equal $50,000 jn 20 years if the interest rate is 7%? So7e0Q__ 56 P= $0000 (i.07)-2° —I Hagar Cone Lando, Weieand & Asocnes. ne, Pa 19ENGINEERING ECONOMY PRACTICE ANSWERS, Question Answer Formula 1 7.100 ol 2 112, 000 1 3. 2,600 4 12,900 PFJ Copyright® Langlois, Weigand & Associas, Inc, Page 20,