A study indicates that 18- to 24- year olds spend a mean of 140 minutes watching video on their smartphones per month. Assume that the amount of time watching video on a smartphone per month is normally distributed and that the standard deviation is 15 minutes. Complete part B below b. What is the probability that an 18- to 24-year-old spends between 115 and 150 minutes watching video on his or her smartphone per month? The probability that an 18- to 24-year-old spends between 115 and 150 minutes watching video on his or her smartphone per month is enter your response here. (Round to four decimal places as needed.)

A study indicates that 18- to 24- year olds spend a mean of 140 minutes watching video on their smartphones per month. Assume that the amount of time watching video on a smartphone per month is normally distributed and that the standard deviation is 15 minutes. Complete part B below b. What is the probability that an 18- to 24-year-old spends between 115 and 150 minutes watching video on his or her smartphone per month? The probability that an 18- to 24-year-old spends between 115 and 150 minutes watching video on his or her smartphone per month is enter your response here. (Round to four decimal places as needed.)

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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