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.

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.

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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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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(d)

At least 13 of them do not use the website.

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