Answered: (a) At least one of them uses the…

(a) At least one of them uses the website. (b) More than two of them use the website. (c) None of them use the website. (d) At least 13 of them do not use the website.

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter8: Sequences, Series, And Probability

Section8.6: Permutations And Combinations

Problem 5SC: In how many ways can 5 people stand in a line if one person demands to be first?

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Question

About 15% of people in America use a certain social media website. In a group with 15 people (assume that it is a random sample of people in America), what are the following probabilities? (Round your answers to three decimal places.)

(a) At least one of them uses the website.
(b) More than two of them use the website.
(c) None of them use the website.
(d) At least 13 of them do not use the website.

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