Introductory Statistics (10th Edition)
Introductory Statistics (10th Edition)
10th Edition
ISBN: 9780321989178
Author: Neil A. Weiss
Publisher: PEARSON
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Concept explainers

Addition Rule of Probability
It simply refers to the likelihood of an event taking place whenever the occurrence of an event is uncertain. The probability of a single event can be calculated by dividing the number of successful trials of that event by the total number of trials.
Expected Value
When a large number of trials are performed for any random variable ‘X’, the predicted result is most likely the mean of all the outcomes for the random variable and it is known as expected value also known as expectation. The expected value, also known …
Probability Distributions
Understanding probability is necessary to know the probability distributions. In statistics, probability is how the uncertainty of an event is measured. This event can be anything. The most common examples include tossing a coin, rolling a die, or choosi…
Basic Probability
The simple definition of probability it is a chance of the occurrence of an event. It is defined in numerical form and the probability value is between 0 to 1. The probability value 0 indicates that there is no chance of that event occurring and the prob…
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Chapter 5, Problem 28RP

a.

To determine

Find the probability that the number of Americans who suffer from emphysema is exactly three, using binomial probability and Poisson probability formula and to compare the results.

b.

To determine

Find the probability that the number of Americans who suffer from emphysema is between two and five, inclusive using binomial probability and Poisson probability formula and to compare the results.

c.

To determine

Find the probability that the number of Americans who suffer from emphysema is less than 4 using binomial probability and Poisson probability formula and to compare the results.

d.

To determine

Find the probability that the number of Americans who suffer from emphysema is more than 2 using binomial probability and Poisson probability formula and to compare the results.

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Chapter 5 Solutions

Introductory Statistics (10th Edition)

Ch. 5.1 - Fill in the blanks. a. A relative-frequency...Ch. 5.1 - Provide an example (other than one discussed in...Ch. 5.1 - Let X denote the number of siblings of a randomly...Ch. 5.1 - Fill in the blank. For a discrete random variable,...Ch. 5.1 - Suppose that you make a large number of...Ch. 5.1 - What rule of probability permits you to obtain any...Ch. 5.1 - A variable x of a finite population has the...Ch. 5.1 - A variable y of a finite population has the...Ch. 5.1 - A variable y of a finite population has the...Ch. 5.1 - A variable x of a finite population has the...
Ch. 5.1 - Space Shuttles. The National Aeronautics and Space...Ch. 5.1 - Persons per Housing Unit. From the document...Ch. 5.1 - Major Hurricanes. The Atlantic Hurricane Database...Ch. 5.1 - Childrens Gender. A certain couple is equally...Ch. 5.1 - Dice. When two balanced dice are rolled, 36...Ch. 5.1 - World Series. The World Series in baseball is won...Ch. 5.1 - Archery. An archer shoots an arrow into a square...Ch. 5.1 - Solar Eclipses. The World Almanac provides...Ch. 5.1 - Black Bear Litters. In the article Reproductive...Ch. 5.1 - All-Numeric Passwords. The technology consultancy...Ch. 5.1 - Suppose that P(Z 1.96) = 0.025. Find P(Z 1.96)....Ch. 5.1 - Suppose that T and Z are random variables. a. If...Ch. 5.1 - Prob. 23ECh. 5.2 - What concept does the mean of a discrete random...Ch. 5.2 - Comparing Investments. Suppose that the random...Ch. 5.2 - In Exercises 5.275.30, we have provided the...Ch. 5.2 - In Exercises 5.275.30, we have provided the...Ch. 5.2 - In Exercises 5.275.30, we have provided the...Ch. 5.2 - In Exercises 5.275.30, we have provided the...Ch. 5.2 - In Exercises 5.315.35, we have provided the...Ch. 5.2 - In Exercises 5.315.35, we have provided the...Ch. 5.2 - In Exercises 5.315.35, we have provided the...Ch. 5.2 - In Exercises 5.315.35, we have provided the...Ch. 5.2 - In Exercises 5.315.35, we have provided the...Ch. 5.2 - World Series. The World Series in baseball is won...Ch. 5.2 - Archery. An archer shoots an arrow into a square...Ch. 5.2 - All-Numeric Passwords. The technology consultancy...Ch. 5.2 - Expected Value. As noted in Definition 5.4 on page...Ch. 5.2 - Evaluating Investments. An investor plans to put...Ch. 5.2 - Homeowners Policy. An insurance company wants to...Ch. 5.2 - Prob. 42ECh. 5.2 - Equipment Breakdowns. A factory manager collected...Ch. 5.2 - Simulation. Let X be the value of a randomly...Ch. 5.2 - Mean as Center of Gravity. Let X be a discrete...Ch. 5.2 - Equipment Breakdowns. Refer to Exercise 5.43....Ch. 5.2 - Equipment Breakdowns. The factory manager in...Ch. 5.3 - In probability and statistics, what is each...Ch. 5.3 - Under what three conditions are repeated trials of...Ch. 5.3 - Explain the significance of binomial coefficients...Ch. 5.3 - Discuss the pros and cons of binomial probability...Ch. 5.3 - What is the binomial distribution?Ch. 5.3 - Suppose that a simple random sample is taken from...Ch. 5.3 - Give two examples of Bernoulli trials other than...Ch. 5.3 - What does the bi in binomial signify?Ch. 5.3 - Compute 3!, 7!, 8!, and 9!.Ch. 5.3 - Find 1!, 2!, 4!, and 6!.Ch. 5.3 - Evaluate the following binomial coefficients. a....Ch. 5.3 - Evaluate the following binomial coefficients. a....Ch. 5.3 - Evaluate the following binomial coefficients. a....Ch. 5.3 - Determine the value of each binomial coefficient....Ch. 5.3 - For each of the following probability histograms...Ch. 5.3 - For each of the following probability histograms...Ch. 5.3 - Pinworm Infestation. Pinworm infestation, which is...Ch. 5.3 - Psychiatric Disorders. The National Institute of...Ch. 5.3 - In each of Exercises 5.675.72, we have provided...Ch. 5.3 - In each of Exercises 5.675.72, we have provided...Ch. 5.3 - In each of Exercises 5.675.72, we have provided...Ch. 5.3 - In each of Exercises 5.675.72, we have provided...Ch. 5.3 - In each of Exercises 5.675.72, we have provided...Ch. 5.3 - In each of Exercises 5.675.72, we have provided...Ch. 5.3 - Prob. 73ECh. 5.3 - Psychiatric Disorders. Use Procedure 5.1 on page...Ch. 5.3 - Tossing a Coin. If we repeatedly toss a balanced...Ch. 5.3 - Rolling a Die. If we repeatedly roll a balanced...Ch. 5.3 - Horse Racing. According to the Daily Racing Form,...Ch. 5.3 - Gestation Periods. The probability is 0.314 that...Ch. 5.3 - Traffic Fatalities and Intoxication. The National...Ch. 5.3 - Multiple-Choice Exams. A student takes a...Ch. 5.3 - Love Stinks? J. Fetto, in the article Love Stinks...Ch. 5.3 - Carbon Tax. A poll commissioned by Friends of the...Ch. 5.3 - Video Games. A pathological video game user (PVGU)...Ch. 5.3 - Recidivism. In the Scientific American article...Ch. 5.3 - Roulette. A success, s, in Bernoulli trials is...Ch. 5.3 - Sampling and the Binomial Distribution. Refer to...Ch. 5.3 - Sampling and the Binomial Distribution. Following...Ch. 5.3 - The Hypergeometric Distribution. In this exercise,...Ch. 5.3 - To illustrate, again consider the Mega Millions...Ch. 5.3 - To illustrate, consider the following problem:...Ch. 5.4 - Identify two uses of Poisson distributions.Ch. 5.4 - Why cant all the probabilities for a Poisson...Ch. 5.4 - For a Poisson random variable, what is the...Ch. 5.4 - What conditions should be satisfied in order to...Ch. 5.4 - Prob. 95ECh. 5.4 - Prob. 96ECh. 5.4 - In each of Exercises 5.965.99, we have provided...Ch. 5.4 - Prob. 98ECh. 5.4 - In each of Exercises 5.965.99, we have provided...Ch. 5.4 - Amusement Ride Safety. Approximately 297 million...Ch. 5.4 - Polonium. In the 1910 article The Probability...Ch. 5.4 - Wasps. M. Goodisman et al. studied patterns in...Ch. 5.4 - Wars. In the paper The Distribution of Wars in...Ch. 5.4 - Motel Reservations. M. Driscoll and N. Weiss...Ch. 5.4 - Cherry Pies. At one time, a well-known restaurant...Ch. 5.4 - Motor-Vehicle Deaths. According to Injury Facts, a...Ch. 5.4 - Prisoners. From the U.S. Census Bureau and the...Ch. 5.4 - The Challenger Disaster. In a letter to the editor...Ch. 5.4 - Fragile X Syndrome. The second-leading genetic...Ch. 5.4 - Holes in One. Refer to the case study on page 223....Ch. 5.4 - A Yellow Lobster! As reported by the Associated...Ch. 5.4 - With regard to the use of a Poisson distribution...Ch. 5.4 - Roughly speaking, you can use the Poisson...Ch. 5 - Fill in the blanks. a. A ______ is a quantitative...Ch. 5 - Prob. 2RPCh. 5 - Prob. 3RPCh. 5 - If you sum the probabilities of the possible...Ch. 5 - A random variable X equals 2 with probability...Ch. 5 - A random variable X has mean 3.6. If you make a...Ch. 5 - Prob. 7RPCh. 5 - Prob. 8RPCh. 5 - Prob. 9RPCh. 5 - List the three requirements for repeated trials of...Ch. 5 - What is the relationship between Bernoulli trials...Ch. 5 - In 10 Bernoulli trials, how many outcomes contain...Ch. 5 - Craps. The game of craps is played by rolling two...Ch. 5 - Following are two probability histograms of...Ch. 5 - Prob. 15RPCh. 5 - Prob. 16RPCh. 5 - ASU Enrollment Summary. According to the Arizona...Ch. 5 - Prob. 18RPCh. 5 - Busy Phone Lines. Refer to the probability...Ch. 5 - Craps. Use the binomial probability formula to...Ch. 5 - Penalty Kicks. In the game of soccer, a penalty...Ch. 5 - Pets. According to JAVMA News, a publication of...Ch. 5 - Pets. Refer to Problem 22. a. Draw a probability...Ch. 5 - Prob. 24RPCh. 5 - Prob. 25RPCh. 5 - Meteoroids. In the article Interstellar Pelting...Ch. 5 - Emphysema. The respiratory disease emphysema,...Ch. 5 - Prob. 28RPCh. 5 - As we reported at the beginning of this chapter,...
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