Find the mean and the standard deviation of the distribution of each of the following random variables

Question:

Find the mean and the standard deviation of the distribution of each of the following random variables (having binomial distributions):

(a) The number of heads in 440 flips of a balanced coin.

(b) The number of 6's in 300 rolls of a balanced die.

(c) The number of defectives in a sample of 700 parts made by a machine, when the probability is 0.03 that any one of the parts is defective.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Probability And Statistics For Engineers

ISBN: 9780134435688

9th Global Edition

Authors: Richard Johnson, Irwin Miller, John Freund

Question Posted: