An insurance agent sells the policies to 20 persons having same age and in good health.Based on the company's record, the probability that person in this age will live for thenext 20 years is 2/3. Find the probability(a) 8 persons,(b) at most 7 persons,(c) more than 7 persons,(d) at least 3 persons,(e) more than 6 persons but less than 11 personsare still alive at the end of this 20 years period.The probability for a mango tree from a certain type, will produce fruits in the first year is0.8. Each time, the mango trees seller sells about 5 trees to the buyer with the guaranteethat if less than 3 trees produce fruits in the first year, he will replace them according tothe number of trees which do not produce fruits.(a) Calculate the probability that there will no replacement.(b) If he sells the trees to 3000 buyers that are 5 trees to each buyer, how many treesare expected to be replaced?

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Answered: An insurance agent sells the policies…

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 insurance agent sells the policies to 20 persons having same age and in good health. Based on the company's record, the probability that person in this age will live for the next 20 years is 2/3. Find the probability (a) 8 persons, (b) at most 7 persons, (c) more than 7 persons,