HBO recently published a report detailing the watch-time of all its active users. It was identified that the monthly watch-time follows a normal distribution with a mean of 102 hours and a standard deviation of 10 hours. a. What is the probability that a randomly selected subscriber watches more than 87 hours of HBO per month? Answer in exact fraction, or rounded to at least 4 decimal places. b. What is the probability that a randomly selected subscriber watches between 97 and 103 hours of HBO per month? Answer in exact fraction, or rounded to at least 4 decimal places.

HBO recently published a report detailing the watch-time of all its active users. It was identified that the monthly watch-time follows a normal distribution with a mean of 102 hours and a standard deviation of 10 hours. a. What is the probability that a randomly selected subscriber watches more than 87 hours of HBO per month? Answer in exact fraction, or rounded to at least 4 decimal places. b. What is the probability that a randomly selected subscriber watches between 97 and 103 hours of HBO per month? Answer in exact fraction, or rounded to at least 4 decimal places.

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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