Assume that when your phone rings, the caller is a telemarketer with probability 1/8, and that the

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Assume that when your phone rings, the caller is a telemarketer with probability 1/8, and that the probability of a telemarketer is independent from call to call. Let X denote the number of telemarketers during the next three calls.
a. What is the mass of X?
b. Draw a graph of the mass of X.
c. Draw a graph of the CDF of X.
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Introduction to Probability

ISBN: 978-0716771098

1st edition

Authors: Mark Daniel Ward, Ellen Gundlach

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