3. From the people over 21 years in a certain district, one person is to be selected at random to answersurvey questions on unemployment problems. The people are classified according to the table below:EmploymentUnemploymentMale420120Female360240Find the probability that:a. an unemployed person is selected given that the one chosen is male.b. a male is chosen given that the one chosen is unemployed.

Answered: Image /qna-images/answer/9d114a3f-c907-4fbc-86fb-050d834cf476.jpg

Answered: 3. From the people over 21 years in a…

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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If one of them is chosen at random for a world tour to act as Ambassador of Goodwill for new industries in town, a. Find the probability that the person chosen is male given he is employed. b.That the person is female given that she is unemployed.
It is claimed that 73% of all students at a college still need to take another math class. Baseed on this, if 37 students are randomly selected, find the probability that a. Exactly 26 of them need to take another math class. b. At most 29 of them need to take another math class. c. At least 27 of them need to take another math class. d. Between 24 and 31 (including 24 and 31) of them need to take another math class. Finally, compute the mean and standard deviation of this distribution. e. The mean is and the standard deviation is
1. A focus group of 4 members is to be randomly selected from a medical team consisting of 8 doctors and 6 technicians and 5 paramedics and 7 nurses. a. What is the probability that no doctors or no paramedics are selected? Let
2. The breakdown of workers in a particular state according to their political affiliation and type of job held is shown here. Suppose a worker is selected at random within the state and the worker's political affiliation and type of job are noted. Given the worker is a Democrat, what is the probability that the worker is in a white collar job. Give your answer as a decimal rounded to the nearest thousandth. Type of job 0 A. 0.472 0 B. 0.304 0 C. 0.459 Q D. 0.661 White collar Blue Collar Republican Democrat Independent 11% 17% 8% 15% 20% 29%
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?
1) The question screenshot attached down below just need final answer.
8) Given the following table with eye color and hair color for a sample of 592 people... Black hair Brown hair Blond hair 16 10 Red hair Total Green eyes Hazel eyes Blue eyes Brown eyes Total 29 14 14 15 54 84 119 20 17 26 94 68 a) What percent of people with brown hair have blue eyes? b) What is the probability someone with green or hazel eyes has red hair? 102 F Par 99+
According to a recent study 0.45 of the population is left handed. If you randomly select 7 people, what is the probability that at least one of the them is left handed? NOTE: Round your answer to four decintal places
Customers who are registered on a corporate Web site are summarized by the type of shipping contract they use and the number of orders in the previous month. The number of customers in each category are shown in the following table. Customers are to be selected without replacement. Suppose that three customers are selected randomly, without replacement, for a survey. a. What is the probability that at least two selected customers use express shipping? b. What is the probability that customers from all three order categories are selected?
4. Final: In a monthly report, the local animal shelter states that it curently has 21 dogs and 27 cats. Fourteen of the dogs and 18 of the cats are female. If an animal is selected at random, find the probability that the pet is a male dog. O a. 4283 O b.1458 O c.5194 O d. .2319 Previous page Jump to. 近

7. 64% of all violent felons in the prison system are repeat offenders. If 40 violent felons are randomly selected, find the probability that a. Exactly 23 of them are repeat offenders. ?b. At most 28 of them are repeat offenders. ?c. At least 27 of them are repeat offenders. ?d. Between 23 and 30 (including 23 and 30) of them are repeat offenders. ?

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