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 normaly distributed and that the standard deviation is 20 minutes Camplete parts thrugh belo 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 01056 (Round to four decimal places as needed) b What is the probability that an 18- to 24 year-old spends between 95 and 140 minutes watching video on his or her smartphone per month? The probability that an 18- to 24-year-old spends between 95 and 140 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 normaly distributed and that the standard deviation is 20 minutes Camplete parts thrugh belo 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 01056 (Round to four decimal places as needed) b What is the probability that an 18- to 24 year-old spends between 95 and 140 minutes watching video on his or her smartphone per month? The probability that an 18- to 24-year-old spends between 95 and 140 minutes watching video on his or her smartphone per month is (Round to four decimal places as needed)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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