Five hundred employees were selected from a city's large private companies, andthey were asked whether or not they have any retirement benefits provided bytheir companies. Based on this information, the following two-way classificationtable was prepared.GenderHave retirement benefitsYesNoMen22575Women15050If one employee is selected at random from these 500 employees, find theprobability that this Employee(a) has retirement benefits(b) is a woman given that she does not have a retirement benefits

The probability of an event E is given by: P(E) = (Number of favorable outcomes for event E / Total…

Answered: Five hundred employees were selected…

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 8 different customers A, B, C, D, E, F, G, and H arrive for service at random order, what is the probability that customers E, C, and F arrive after other customers?
In a given year, 1,841,277 males and 2,071,896 females were born in a certain country. If a child is selected randomly from this group, what is the probability that it is female?
A survey of athletes at a high school is conducted, and the following facts are discovered: 40% of the athletes are football players, 37% are basketball players, and 8% of the athletes play both football and basketball. An athlete is chosen at random from the high school: what is the probability that the athlete is either a football player or a basketball player? % (Please enter your answer as a percent)
The following table describes the smoking habits of a group of asthma sufferers Nonsmoker (NS) Smoker (S) Men (M) 275 50 Women (W) 147 30 If one of the peopleis randomly selected, what is the probability the subject is a smoker or a woman?
There are 5 people from Arizona (A), 7 people from California (C), and 3 people from Nevada (N) equally qualified for a job. There are three job openings for three different people. What is the probability that: what is the probability that two people selected are from Arizona and one is from California? Type your answer as a fraction or a decimal rounded to the nearest thousandth (three decimal places).
A random student will be selected from the College of Engineering. The number of male (B) and female (G) students in each department are as follows: For Civil Engineering (C) it is 43 and 15 respectively; for Electronics and Electrical engineering (E), it is 32 and 19 respectively; and for Mechanical Engineering (M), its 23 and 8 respectively. A. What is the probability that the student is male ME student or an EE student? B. What is the probability that the student is female given that she is not an ME student? C. What is the probability that the student is either a female or a CE student? D. What is the probability that the student is a male given that he is a CE student?
For a group of 300 cars the numbers, classified by colour and country of manufacture, are shown in the table. Black Silver White Korea 33 34 35 Japan 23 24 America 16 25 34 Germany 19 16 32 One car is selected at random from this group. Find the probability that the selected car is (i) a black or white car manufactured in Korea. (ii) not manufactured in Japan. (iii) is a white car, given that it was manufactured in America
If 7 different customers A, B, C, D, E, F, and G arrive for service at random order, what is the probability that customers B and E arrive before other customers?
2. A family of two parents and three children lines up in a row for a photograph. If the three children are randomly placed in a row in front of their parents, what is the probability that they will be arranged in ascending or descending order of age? and from sight technicians four
In a survey of 1200 college students living in the dorms, 600 said that they had only a tablet in their rooms, 400 said that they had only laptop in their rooms, and 150 said that they had both a tablet and a laptop in their rooms. The remaining 50 students had neither. If a student is randomly chosen from this group, the probability that the student does have a laptop given that the student has a tablet is
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?

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