Approximately 7.8% of all people have blue eyes. Out of a random sample of 25 people, find the following (Round your answers to four decimal places.) a. What is the probability that 2 of them have blue eyes? b. What is the probability that at most 2 of them have blue eyes? c. What is the probability that less than 2 of them have blue eyes? d. What is the probability that at least 2 of them have blue eyes? e. What is the probability that more than 2 of them have blue eyes? f. Compute the expected value. g. Compute the standard deviation. h. Compute the variance.

Approximately 7.8% of all people have blue eyes. Out of a random sample of 25 people, find the following (Round your answers to four decimal places.) a. What is the probability that 2 of them have blue eyes? b. What is the probability that at most 2 of them have blue eyes? c. What is the probability that less than 2 of them have blue eyes? d. What is the probability that at least 2 of them have blue eyes? e. What is the probability that more than 2 of them have blue eyes? f. Compute the expected value. g. Compute the standard deviation. h. Compute the variance.

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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