Question: For 7.EOC.43-E answer for d @ 7HEOC43-E Question Help V Regular gasoline averaged $2.68 per gallon in June 2018. Assume the standard deviation for gasoline
For 7.EOC.43-E answer for d






@ 7HEOC43-E Question Help V Regular gasoline averaged $2.68 per gallon in June 2018. Assume the standard deviation for gasoline prices is $0.15 per gallon. A random sample of 30 service stations was selected. Complete parts a through d. a. What is the probability that the sample mean will be less than $2.74? The probability that the sample mean will be less than $2.74 is 0.9857 . (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 $2.7217 The probability that the sample mean will be more than $2.72 is 0.0721 . (Type an integer or decimal rounded to four decimal places as needed.) c. What is the probability that the sample mean will be between $2.71 and $2.78? The probability that the sample mean will be between $2.71 and $2.78 is 0.1356 . (Type an integer or decimal rounded to four decimal places as needed.) d. Suppose the sample mean is $2.76. Does this result support the average gasoline price ndings? Explain your answer. The probability that the average price per gallon is more than $2.76 is (Type an integer or decimal rounded to four decimal places as needed.) @ 7.EOC.45-E Question HeIpV a A health journal found that 56.4% of college students who lived in coed dormitories consumed alcohol weekly (compared with 26.5% who lived in single
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