Problem 15: The probability that the wife will be alive in 20 years is 0.8 and the probabilitythat the husband will be alive in 20 years is 0.70. What is the probability that at least one ofthem will be alive in 20 years?A. 0.06B. 0.45C. 0.94D. 0.56

Answered: Image /qna-images/answer/01c6176c-5e21-4910-80b9-14954a6faea1.jpg

Answered: Problem 15: The probability that the…

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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Questions 1. The Jones family was one of the first to come to the U.S. They had 5 children. Assuming that the probability of a child being a girl is .5, find the probability that the Jones family had:at least 3 girls? at most 3 girls? 2. A high school baseball player has a 0.168 batting average. In one game, he gets 7 at bats. What is the probability he will get at least 2 hits in the game?3. The correct size of a nickel is 21.21 millimeters. Based on that, the data can be summarized into the following table: Too Small Too Large Total Low Income 12 28 40 High Income 25 10 35 Total 37 38 75 Based on this data: (give your answers to parts a-c as fractions, or decimals to at least 3 decimal places. Give your to part d as a whole number.)a) The proportion of all children that drew the nickel too small is: Assume that this proportion is true for ALL children (e.g. that this proportion applies to any group of children), and that the remainder of the questions in this…
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Question 1-28 The probability that Juliana will take a particular type of dance class is shown in the chart below. She will definitely take either ballet or jazz, but not both. The probability that she will take jazz on Wednesday night is 27%. If the probability that she will take Ballet is 70%, what is the probability that she will take jazz on Saturday morning? Tuesday Night Ballet Thursday Night Dance Class Saturday morning Jazz Wednesday Night 3% 10% O 27% o o o
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Problem 15: The probability that the wife will be alive in 20 years is 0.8 and the probability that the husband will be alive in 20 years is 0.70. What is the probability that at least one of them will be alive in 20 years? A. 0.06 B. 0.45 C. 0.94 D. 0.56