Answered: 1. Find the mean of the binomial…

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section8.7: Probability

Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...

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1. Find the mean of the binomial distribution for which n = 40 and p = 0.2.

A) 2.53 B) 8 C) 20 D) 40

2. Assume that male and female births are equally likely and that the birth of any child does not affect the probability of the gender of any other children. Find the probability of exactly nine boys in ten births.

A) 0.010 B) 0.20 C) 0.09 D) 0.9

Hello, I know the answer for these question but I want a explanation. Both questions are on binomial distribution and detailed formula would be very appreciated! Thank you :)

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