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Regular gasoline averaged $2.43 per gallon in August 2018. Assume the standard deviation for gasoline prices is $0.11 per gallon. A random sample of 40 service stations was selected. Complete parts a through d. ... a. What is the probability that the sample mean will be less than $2.42? The probability that the sample mean will be less than $2.42 is 0.2843. (Type an integer or decimal rounded to four decimal places as needed.) b. What is the probability that the sample mean will be more than $2.46? The probability that the sample mean will be more than $2.46 is (Type an integer or decimal rounded to four decimal places as needed.)

Regular gasoline averaged $2.43 per gallon in August 2018. Assume the standard deviation for gasoline prices is $0.11 per gallon. A random sample of 40 service stations was selected. Complete parts a through d. ... a. What is the probability that the sample mean will be less than $2.42? The probability that the sample mean will be less than $2.42 is 0.2843. (Type an integer or decimal rounded to four decimal places as needed.) b. What is the probability that the sample mean will be more than $2.46? The probability that the sample mean will be more than $2.46 is (Type an integer or decimal rounded to four decimal places as needed.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Regular gasoline averaged $2.43 per gallon in August 2018. Assume the standard deviation for gasoline prices is $0.11 per gallon. A random sample of 40 service stations was selected. Complete parts a through d. 201 a. What is the probability that the sample mean will be less than $2.42? The probability that the sample mean will be less than $2.42 is 0.2843. (Type an integer or decimal rounded to four decimal places as needed.) b. What is the probability that the sample mean will be more than $2.46? The probability that the sample mean will be more than $2.46 is (Type an integer or decimal rounded to four decimal places as needed.) View an example Get more help - Clear all Check answer
Transcribed Image Text:Regular gasoline averaged $2.43 per gallon in August 2018. Assume the standard deviation for gasoline prices is $0.11 per gallon. A random sample of 40 service stations was selected. Complete parts a through d. 201 a. What is the probability that the sample mean will be less than $2.42? The probability that the sample mean will be less than $2.42 is 0.2843. (Type an integer or decimal rounded to four decimal places as needed.) b. What is the probability that the sample mean will be more than $2.46? The probability that the sample mean will be more than $2.46 is (Type an integer or decimal rounded to four decimal places as needed.) View an example Get more help - Clear all Check answer
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