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Solved: In Exercises, use either technology or the

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 30BSC Chapter 5.3

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 30BSC

Problem  30BSC

In Exercises, use either technology or the Binomial Probability table (Table A-1).

Live TV Based on a Comcast survey, there is a 0.8 probability that a randomly selected adult will watch prime-time TV live, instead of online, on DVR, etc. Assume that seven adults are randomly selected, and find the indicated probability.

a. Find the probability that exactly two of the selected adults watch prime-time TV live.

b. Find the probability that exactly one of the selected adults watches prime-time TV live.

c. Find the probability that fewer than three of the selected adults watch prime-time TV live.

d. If we randomly select seven adults, is two an unusually low number for those who watch prime-time TV live?

Step-by-Step Solution:
Step 1 of 3

Solution 30BSC

= 0.0047

Step 2 of 3

Chapter 5.3, Problem 30BSC is Solved
Step 3 of 3

Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

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Solved: In Exercises, use either technology or the