ExampleAn insurance salesman sells policies to 5 men all of identicalage and good health. According to the actuarial tables, theprobability that a man of this particular age will be alive 30 yearshence in 2/3. Find the probability that 30 years hence (i) at least 1man will be alive, (ii) at least 3 men will be alive.

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Answered: Example An insurance salesman sells…

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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Similar questions

Suppose you have a possibility to pass in mathematics 0.5. Also you have a possibility to pass in mathematics 0.7. Is it dependent or independent? If independent then obtain the probability that you will pass in both courses and pass in at least one course.
EXAMPLE 6.3 If the arrival and departure rates in a public telephone booth with a single phone are 1/12 and 1/4 respectively, find the probability that the phone is busy.
Suppose that two persons are working on a project together. The probability that person A works for one year is 0.8 and the probability that person B works for one year is 0.6. The probability that at least one person works for one year is 0.9. Calculate the probability that B works for one year, given that A works for one year (round to the nearest thousandth).
12
Answer part d and e.
Sir Joma frequently says "So..." whenever he gives lectures during class, averaging 20 times within an hour. What is the probability it will take at least 9 minutes before Sir Joma says his second "So..." ?
Please help me answer this question
The (hypothetical) table below shows the relationship between the number of hours students work at part-time jobs each week and the number of years it takes then to graduate with an undergraduate degree. If a student works more than 5 hours per week, what is the probability that the student graduates in over 6 years?
Calls arrive at a switchboard with a mean of one every 11 seconds. What is the exponential probability that it will take more than 21 seconds for the next call to arrive?
the probability of passing the course without studying is 0.2 if we assume that the given probability is constant in each semester, then how many times in an average the student should take the course to pass without studying
QUESTION 3 Data on a survey of 80 magazine subscribers showed that 32 subscribers rented a car during the past 12 months for business reasons, 40 subscribers rented a car during the past 12 months for personal reasons, and 24 subscribers rented a car during the past 12 months for both business and personal reasons. 3.1. What is the probability that a subscriber rented a car during the past 12 months for business reasons? 3.2. What is the probability that a subscriber rented a car during the past 12 months for personal reasons? 3.8. What is the probability that a subscriber rented a car during the past 12 months for both business and personal reasons? S.A. What is the probability that a subscriber rented a car during the past 12 months for business or personal reasons? 8.5. What is the probability that a subscriber rented a car during the past 12 months for business reasons given that the subscriber rented a car for personal reasons?
The problem of traffic delay in a highway can be studied in the following way. Let us assume that the probability of no traffic delay in one period, given no traffic delay in previous period, is 0.85 and that the probability of finding a traffic delay in one period, given a delay in the previous period is 0.75. The period of time is 30 minutes.

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