The following probability distribution was subjectively assessed for the number ofsales a salesperson would make if he or she made five sales calls in one day.Sales012345Probability0.100.150.200.300.200.05When the salesperson makes a sale, there are three possible sales levels: large,medium, and small. The probability of a large sale is 0.20 and the chance of amedium sale is 0.60. The probability on a given day that the salesperson will makeone sale and that it is medium is 0.09.TrueFalse

The salesperson makes five sales calls in one day, and we have a probability distribution for the…

Answered: The following probability distribution…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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An increasing number of consumers believe they have to look out for themselves in the marketplace. According to a survey conducted by the Yankelovich Partners for USA Weekend magazine, 60% of all consumers have called an information line for a product. Suppose a random sample of 25 consumers is contacted and interviewed about their buying habits. a. What is the probability that 15 or more of these consumers have called an information line for a product? b. What is the probability that more than 20 of these consumers have called an information line for a product? c. What is the probability that fewer than 10 of these consumers have called an information line for a product?
The following table lists the probability distributions of the winnings for one play of a game of chance. Winning $25 Probability 0 i 0.60 $1 0.25 $5 ? $10 0.05 0.01 What is the probability of winning no more than $5 in one play of this game?
In a class of students, the following data table summarizes the gender of the students and whether they have an A in the class. What is the probability that a student chosen randomly from the class is a female who has an A? Has an A Does not have an A Female Male 5 2 4 12
A sociologist is analyzing Social Security data. The number of individuals in the sample is 5. The probability that an individual receives Social Security is 20%. What is the probability that exactly 3 of the 5 individuals receive Social Security? O 0.0512 O 0.0305 O 0.6125 O 0.1024
Many fire stations handle emergency calls for medical assistance as well as calls requesting firefighting equipment. A particular station says that the probability that an incoming call is for medical assistance is 0.84. This can be expressed as P(call is for medical assistance) = 0.84. (a) Give a relative frequency interpretation of the given probability. O Eighty-four percent of all calls to the station are for medical assistance. O None of the calls to the station are for medical assistance. O Sixteen percent of all calls to the station are for medical assistance. O All calls to the station are for medical assistance. O Fifty percent of all calls to the station are for medical assistance. (b) What is the probability that a call is not for medical assistance?
Chuck works at the BuyMore where people can bring in broken computers. When a customer enters the store there is a good chance he will not be paid anything from helping them. But sometimes there is a chance he will be paid to work on their computer. The probability of each amount from a random customer is given in the following table: Job payment $13 $90 $300 $1,400 Probaiblity 0.39 0.1 0.06 0.01 When the next person walks into the BuyMore, how much money can Chuck expect to get from them on average?Answer to two decimals What is the probability he will get less than $160 from a random customer?Answer to four decimals What is the standard deviation for the payments from the customers?Answer to two decimals What is the median job payment amount?Answer to two decimals
Discrete Probability Distributions Worksheet 1. You flip four coins. Let X, the random variable, be the number of heads on all four coins. a. List the sample space for the experiment. b. What are the possible values for x? c. Is the random variable, x, continuous or discrete? d. Construct a probability distribution for this experiment. (X) e. Construct a histogram for the probability distribution in the space below. 2. Determine if the following are probability distributions (if no, state why). а. X 6. P(X) 4/9 12 15 3. 6. 1 2 3 4 5 P(X) 3/10 1/10 1/10 2/10 3/10 20 30 40 50 1.1 0.2 0.9 0.3 (X)
Below is a table of the estimated number of cell phones per household in a rural town. The number of cell phones, x, can be approximated by the following probability distribution.
A researcher wanted to study the commuting habits of community college students and faculty. He wanted to compare their mode of transportation to the college. He asked if they walk, bike, or drive to campus. The following table represents the data that was collected. Walks to campus Bikes to campus Drives to campus Total Students 70 22 78 170 Faculty 5 4 23 32 Total 75 26 101 202 A. Find the probability that a randomly selected member of faculty walks to campus. B. If you are randomly selecting a person from those who bike to campus, what is the probability that you will select a student. C. Perform a Test of Independence to determine if commuting habits are dependent on being a student or a faculty.
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The personnel director of Gadget Manufacturing Company has compiled the following table, which shows the percent of men and women employees who were absent the indicated number of days. Suppose there are as many women as men employees. Sex Absences (Days) Men Women 0 20% 20% 1–5 40% 20% 6–10 40% 20% 11 or more 0% 40% Total 100% 100% (a) Find the probability that an employee missed 6–10 days, given that the employee is a woman. (Enter your probability as a fraction.)(b) Find the probability that an employee is a woman, given that the employee missed 6–10 days. (Enter your probability as a fraction.)

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