A recent study shows that 18% of adults in the US do not use the Internet. Suppose

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A recent study shows that 18% of adults in the US do not use the Internet. Suppose that 12 adults are randomly selected in the US.

a)Construct the PMF of X, the number of adults who don't use internet in this group.

b)What is the expected value and standard deviation of X?

c)What is the probability that at least 1 of the adults does not use the Internet?

(must be in excel formula's)

Related Book For answer-question

Business Statistics Communicating With Numbers

ISBN: 9780078020551

2nd Edition

Authors: Sanjiv Jaggia, Alison Kelly

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Posted Date: May 13, 2024 08:37 AM

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A recent study shows that 18% of adults in the US do not use the Internet. Suppose

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A nice question about probability distributions a Construct the PMF of X the number of adults who do... View the full answer

Business Statistics Communicating With Numbers

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