A study indicates that 18- to 24- year olds spend a mean of 120 minutes watching video on theirsmartphones per month. Assume that the amount of time watching video on a smartphone permonth is normally distributed and that the standard deviation is 20 minutes. Complete parts (a)through (d) below.Aa. What is the probability that an 18- to 24-year-old spends less than 95 minutes watching videoon his or her smartphone per month?The probability that an 18- to 24-year-old spends less than 95 minutes watching video on his orher smartphone per month is.LocBr(Round to four decimal places as needed.)

Given that, Mean = 120 Standard deviation = 20

A study indicates that 18- to 24- year olds spend a mean of 120 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 20 minutes. Complete parts (a) through (d) below. a. What is the probability that an 18- to 24-year-old spends less than 95 minutes watching video on his or her smartphone per month? The probability that an 18- to 24-year-old spends less than 95 minutes watching video on his or her smartphone per month is. (Round to four decimal places as needed.)

A study indicates that 18- to 24- year olds spend a mean of 120 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 20 minutes. Complete parts (a) through (d) below. a. What is the probability that an 18- to 24-year-old spends less than 95 minutes watching video on his or her smartphone per month? The probability that an 18- to 24-year-old spends less than 95 minutes watching video on his or her smartphone per month is. (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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