TTEMSINFOPractice similarHelp me with this< Previous Next >a. At Portland Community College in 2019, there are 23 full-time math teachers who identify as male, and 20 full-timemath teachers who identify as female. What is the probability that a random full-time math instructor is a woman?b. At Portland Community College in the 2017/8 academic year, there were 8249 students who took a math class whoidentified as female, 7581 students who took a math class who identified as male, and 537 students who took a mathclass who identified as nonbinary or did not identify gender. What is the probability that a random math student from2017/8 self-identifies as female?Submit answerAnswers (in progress)ScoreAnswerOKLearn moreCookies help us deliver our services. By using our services, you agree to our use of cookies.MacBook AirDIIF12F10F9888F7F6F5F4F3&%232$893456PRTYUEJKFCVoptioncommandレ

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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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3. You have a box of 100 batteries, 17 of which do not work (completely drained). You choose arandom sample of three batteries without replacement.a. How many ways are there to choose the sample?b. How many samples contain no drained batteries?c. What is the probability that the sample contains no drained batteries?d. How many samples contain exactly one drained battery?e. What is the probability that the sample contains no more than one drained battery?
A bag contains 46 U.S. quarters and four Canadian quarters. (The coins are identical in size.) If seven quarters are randomly picked from the bag, what is the probability of getting at least one Canadian quarter? (Round your answer to one decimal place.)
Quality control. a shipment of 60 game systems, including 9 that are defective, is sent to a retail store. The receiving department selects 10 at random for testing and rejects the whole shipment if 1 or more in the sample are found to be defective. what is the probability that the shipment will be rejected?
1. According to the Consumer Electronics Manufacturers Association,10% of all U.S. households have a fax machine and 52% have a personal computer.Suppose 91% of all U.S.households having a fax machine have a personal computer. A U.S. household is randomly selected. a. What is the probability that the household has a fax machine and a personal computer? b. What is the probability that the household has a fax machine or a personal computer? c. What is the probability that the household has a fax machine and does not have a personal computer? d. What is the probability that the household has neither a fax machine nor a personal computer? e. What is the probability that the household does not have a fax machine and does have a personal computer?
Naturalization. The Office of Immigration Statistics collects and reports information about naturalized persons in the document U.S. Naturalizations. During one year, there were 694,193 persons who became naturalized citizens of the United States and, of those, 36%were originally from Asia. If 200 people who became naturalized citizens of the United States that year are selected at random, what is the probability that the number who were originally from Asia is a. fewer than 65? b. between 70 and 80, inclusive? c. less than 60 or more than 80?
1. A. Please answer on a paper and step by step. A candy dish contains 5 blue and 3 red candies. A child reaches up and selects three candies withoutlooking. What is the probability that there are 2 blue and 1 red candies in the selection?
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4.The mortality rate for a certain disease is 25%. A random sample of twelve patients with this disease is selected. a.What is the probability that exactly half of the patients selected will die from the disease? b.What is the probability that at least two of the twelve patients will die from the disease?
Three people are randomly selected from voter registration and driving records to report for jury duty. The gender of each person is noted by the county clerk.a. Define the experimentb. List the simple events in Sc. If each person is just as likely to be a man as a woman, what probability do you assignto each simple event?d. What is the probability that only one of the three is a man?e. What is the probability that all three are women?
A bag contains 41 U.S. quarters and nine Canadian quarters. (The coins are identical in size.) If four quarters are randomly picked from the bag, what is the probability of getting at least one Canadian quarter? (Round your answer to one decimal place.)
b. A bag contains 33 blueblue marbles, 77 redred marbles, and 66 greengreen marbles. If two different marbles are drawn from the bag , what is the probability of drawing first a blueblue marble and then a greengreen marble?
The results of a survey of 200 adults are shown in the table. 6 or over Under 6 Total Male 14 88 102 Female 96 184 98 Total 16 200 What is the probability that a randomly chosen person from the survey is male and at least 6 feet tall?

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a. At Portland Community College in 2019, there are 23 full-time math teachers who identify as male, and 20 full-time math teachers who identify as female. What is the probability that a random full-time math instructor is a woman?