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. Research shows that 17% of children are absent from school on at least five days during winter because of ill health. A random sample of 55 children is taken. a. Find the probability that exactly 10 of the children in the sample are absent from school on at least five days during winter because of ill health. b. Use a suitable approximation to find the probability that at most seven children in the sample are absent from school on at least 5 days during winter because of ill health. E. Justify the approximation made in part b.

. Research shows that 17% of children are absent from school on at least five days during winter because of ill health. A random sample of 55 children is taken. a. Find the probability that exactly 10 of the children in the sample are absent from school on at least five days during winter because of ill health. b. Use a suitable approximation to find the probability that at most seven children in the sample are absent from school on at least 5 days during winter because of ill health. E. Justify the approximation made in part b.

A First Course in Probability (10th Edition)
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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2. Research shows that 17% of children are absent from school on at least five days during winter because of ill health. A random sample of 55 children is taken. a. Find the probability that exactly 10 of the children in the sample are absent from school on at least five days during winter because of ill health. b. Use a suitable approximation to find the probability that at most seven children in the sample are absent from school on at least 5 days during winter because of ill health. c. Justify the approximation made in part b.
Transcribed Image Text:2. Research shows that 17% of children are absent from school on at least five days during winter because of ill health. A random sample of 55 children is taken. a. Find the probability that exactly 10 of the children in the sample are absent from school on at least five days during winter because of ill health. b. Use a suitable approximation to find the probability that at most seven children in the sample are absent from school on at least 5 days during winter because of ill health. c. Justify the approximation made in part b.
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