Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes. If 7 adult smartphone users are randomly selected, find the probability that at least 4 of them use their smartphones in meetings or classes.

Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes. If 7 adult smartphone users are randomly selected, find the probability that at least 4 of them use their smartphones in meetings or classes.

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

Assume that when adults with smartphones are randomly selected,

54%

use them in meetings or classes. If

adult smartphone users are randomly selected, find the probability that at least

of them use their smartphones in meetings or classes.

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