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O The random variable X has a binomial distribution B(11, p). If P(X = 8) = P(X = 7) find the value of p.

O The random variable X has a binomial distribution B(11, p). If P(X = 8) = P(X = 7) find the value of p.

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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O The random variable X has a binomial distribution B(11, p). If P(X = 8) = P(X = 7) find the value of p. O 100 families each with three children are found to have the following number of boys. Number of boys 1 3 Frequency 13 34 40 13 a. Find the probability that a single baby born is a boy. b. Calculate the number of families with three children you would expect to have two boys in a sample of 100 using your value from (a).
Transcribed Image Text:O The random variable X has a binomial distribution B(11, p). If P(X = 8) = P(X = 7) find the value of p. O 100 families each with three children are found to have the following number of boys. Number of boys 1 3 Frequency 13 34 40 13 a. Find the probability that a single baby born is a boy. b. Calculate the number of families with three children you would expect to have two boys in a sample of 100 using your value from (a).
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