EP INTRODUCTION TO PROBABILITY+STAT.
14th Edition
ISBN: 2810019974203
Author: Mendenhall
Publisher: CENGAGE L
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Chapter 4, Problem 4.121SE
a.
To determine
To find: the
b.
To determine
To find: the probability that all six tosses results in tails.
c.
To determine
To find: the probability of three matches.
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Chapter 4 Solutions
EP INTRODUCTION TO PROBABILITY+STAT.
Ch. 4.3 - Tossing a Die An experiment involves tossing a...Ch. 4.3 - Prob. 4.2ECh. 4.3 - A sample space contains 10 simple events:...Ch. 4.3 - Free Throws A particular basketball player hits...Ch. 4.3 - Four Coins A jar contains four coins: a nickel, a...Ch. 4.3 - Preschool or Not? On the first day of...Ch. 4.3 - Prob. 4.7ECh. 4.3 - The Urn Problem, continued Refer to Exercise 4.7....Ch. 4.3 - Need Eyeglasses? A survey classified a large...Ch. 4.3 - Prob. 4.10E
Ch. 4.3 - Jury Duty Three people are randomly selected to...Ch. 4.3 - Prob. 4.12ECh. 4.3 - Tea Tasters A food company plans to conduct an...Ch. 4.3 - -Meter Run Four equally qualified runners, John,...Ch. 4.3 - Fruit Flies In a genetics experiment, the...Ch. 4.3 - Prob. 4.16ECh. 4.4 - You have two groups of distinctly different items,...Ch. 4.4 - Prob. 4.18ECh. 4.4 - Prob. 4.19ECh. 4.4 - Combinations Evaluate these combinations: a. C35...Ch. 4.4 - Choosing People In how many ways can youselect...Ch. 4.4 - Choosing People, again In how many ways canyou...Ch. 4.4 - Prob. 4.23ECh. 4.4 - Coins Four coins are tossed. How many simple...Ch. 4.4 - The Urn Problem, again Three balls are...Ch. 4.4 - What to Wear? You own 4 pairs of jeans, 12...Ch. 4.4 - Itineraries A businessman in New York is...Ch. 4.4 - Vacation Plans Your family vacation involves...Ch. 4.4 - A Card Game Three students are playing a cardgame....Ch. 4.4 - Dinner at Gerard’s A French restaurant offers...Ch. 4.4 - Playing Poker Five cards are selected from...Ch. 4.4 - Prob. 4.32ECh. 4.4 - A Hospital Survey A study is to be conducted in...Ch. 4.4 - Traffic Problems Two city council members are tobe...Ch. 4.4 - Prob. 4.35ECh. 4.4 - Prob. 4.36ECh. 4.4 - Prob. 4.37ECh. 4.4 - Cramming A student prepares for an exam bystudying...Ch. 4.4 - Monkey Business A monkey is given 12 blocks:3...Ch. 4.6 - An experiment can result in one of five equally...Ch. 4.6 - Refer to Exercise 4.40. Use the definition of a...Ch. 4.6 - Refer to Exercise 4.40. Use the definition of...Ch. 4.6 - Refer to Exercise 4.40. Use the Addition and...Ch. 4.6 - Prob. 4.44ECh. 4.6 - Suppose P(A)=.1 and P(B)=.5 . a. If P(A|B)=.1 ,...Ch. 4.6 - Dice An experiment consists of tossing a single...Ch. 4.6 - Prob. 4.47ECh. 4.6 - Two fair dice are tossed. a. What is the...Ch. 4.6 - Suppose that P(A)=.4 and P(B)=.2 . If events A and...Ch. 4.6 - Prob. 4.50ECh. 4.6 - Suppose that P(A)=.4 and P(AB)=.12 . a. Find...Ch. 4.6 - Prob. 4.52ECh. 4.6 - Prob. 4.53ECh. 4.6 - Prob. 4.54ECh. 4.6 - Grant Funding Suppose a group of research...Ch. 4.6 - Drug Offenders A study of drug offenders who have...Ch. 4.6 - Prob. 4.57ECh. 4.6 - The Birthday Problem Two people enter a room and...Ch. 4.6 - Prob. 4.59ECh. 4.6 - Starbucks or Peet’s®? A college student frequents...Ch. 4.6 - Prob. 4.61ECh. 4.6 - Smoking and Cancer A survey of people in a...Ch. 4.6 - Smoke Detectors A smoke-detector system usestwo...Ch. 4.6 - Plant Genetics In 1865, Gregor Mendel suggesteda...Ch. 4.6 - Prob. 4.65ECh. 4.6 - Choosing a Mate Men and women often disagreeon how...Ch. 4.6 - Prob. 4.67ECh. 4.6 - Golfing Player A has entered a golf tournament but...Ch. 4.7 - Prob. 4.69ECh. 4.7 - Prob. 4.70ECh. 4.7 - Prob. 4.71ECh. 4.7 - Violent Crime City crime records show that 20%...Ch. 4.7 - Worker Error A worker-operated machine producesa...Ch. 4.7 - Airport Security Suppose that, in a particular...Ch. 4.7 - Football Strategies A particular football team is...Ch. 4.7 - No Pass, No Play Under the “no pass, no play”rule...Ch. 4.7 - Medical Diagnostics Different illnesses can...Ch. 4.7 - Cheating on Your Taxes? Suppose 5% of all...Ch. 4.7 - Screening Tests Suppose that a certain diseaseis...Ch. 4.8 - Discrete or Continuous? Identify the following as...Ch. 4.8 - Discrete or Continuous? II Identify the following...Ch. 4.8 - Probability Distribution I A random variable x has...Ch. 4.8 - Prob. 4.83ECh. 4.8 - Dice Let x equal the number observed on the throw...Ch. 4.8 - Grocery Visits Let x represent the number of times...Ch. 4.8 - If you toss a pair of dice, the sum T of the...Ch. 4.8 - RU Texting? The proportion of adults (18 years or...Ch. 4.8 - Which Key Fits? A key ring contains four office...Ch. 4.8 - Gender Bias? A company has five applicants for two...Ch. 4.8 - Defective Equipment A piece of electronic...Ch. 4.8 - Drilling Oil Wells Past experience has shown that,...Ch. 4.8 - Tennis, Anyone? Two tennis professionals, A and B,...Ch. 4.8 - Prob. 4.93ECh. 4.8 - Prob. 4.94ECh. 4.8 - Insuring Your Diamonds You can insure a $50,000...Ch. 4.8 - FDA Testing The maximum patent life for a new drug...Ch. 4.8 - Coffee Breaks Most coffee drinkers take a little...Ch. 4.8 - Prob. 4.98ECh. 4.8 - Actuaries A CEO is considering buying an insurance...Ch. 4 - Playing the Slots A slot machine has three slots;...Ch. 4 - Whistle Blowers Although there is legal...Ch. 4 - Prob. 4.102SECh. 4 - Refer to Exercise 4.102. By summing the...Ch. 4 - DVRs A retailer sells two styles of digital...Ch. 4 - Prob. 4.105SECh. 4 - Prob. 4.106SECh. 4 - Prob. 4.107SECh. 4 - Fire Alarms A fire-detection device uses three...Ch. 4 - Prob. 4.109SECh. 4 - Prob. 4.110SECh. 4 - Prob. 4.111SECh. 4 - Prob. 4.112SECh. 4 - Prob. 4.113SECh. 4 - Prob. 4.114SECh. 4 - Prob. 4.115SECh. 4 - Prob. 4.116SECh. 4 - Prob. 4.117SECh. 4 - Prob. 4.118SECh. 4 - Prob. 4.119SECh. 4 - Prob. 4.120SECh. 4 - Prob. 4.121SECh. 4 - Contract Negotiations Experience has shown...Ch. 4 - Prob. 4.123SECh. 4 - Prob. 4.124SECh. 4 - Prob. 4.125SECh. 4 - Prob. 4.126SECh. 4 - Mass Transit Only 40% of all people in a...Ch. 4 - Prob. 4.128SECh. 4 - Prob. 4.129SECh. 4 - Prob. 4.130SECh. 4 - Flextime A survey to determine the availability of...Ch. 4 - Prob. 4.132SECh. 4 - Pepsi™ or Coke™? A taste-testing experiment is...Ch. 4 - Viruses A certain virus afflicted the families in...Ch. 4 - Prob. 4.135SECh. 4 - Independence and Mutually Exclusive Suppose that...Ch. 4 - Prob. 4.137SE
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- Dividing a JackpotA game between two players consists of tossing a coin. Player A gets a point if the coin shows heads, and player B gets a point if it shows tails. The first player to get six points wins an 8,000 jackpot. As it happens, the police raid the place when player A has five points and B has three points. After everyone has calmed down, how should the jackpot be divided between the two players? In other words, what is the probability of A winning and that of B winning if the game were to continue? The French Mathematician Pascal and Fermat corresponded about this problem, and both came to the same correct calculations though by very different reasonings. Their friend Roberval disagreed with both of them. He argued that player A has probability 34 of winning, because the game can end in the four ways H, TH, TTH, TTT and in three of these, A wins. Robervals reasoning was wrong. a Continue the game from the point at which it was interrupted, using either a coin or a modeling program. Perform the experiment 80 or more times, and estimate the probability that player A wins. bCalculate the probability that player A wins. Compare with your estimate from part a.arrow_forwardYou draw one card at random from a standard deck of 52 playing cards. What is the probability that the card is either an ace or a spade?arrow_forwardYou toss two six-sided dice. What is the probability that the total of the two dice is 5?arrow_forward
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