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Suppose that the average price for a gallon of gasoline in the Country A is $2.79 and in Country B it is $2.45. Assume t
Posted: Wed May 11, 2022 5:35 am
by answerhappygod
- Suppose That The Average Price For A Gallon Of Gasoline In The Country A Is 2 79 And In Country B It Is 2 45 Assume T 1 (24.31 KiB) Viewed 27 times
Suppose that the average price for a gallon of gasoline in the Country A is $2.79 and in Country B it is $2.45. Assume these averages are the population means in the two countries and that the probability distributions are normally distributed with a standard deviation of $0.25 in the Country A and a standard deviation of $0.20 in Country B. (a) What is the probability that a randomly selected gas station in Country A charges less than $2.50 per gallon? (Round your answer to four decimal places.) 0.1230 (b) What percentage of the gas stations in Country B charge less than $2.50 per gallon? (Round your answer to two decimal places.) 0.1587 X % (c) What is the probability that a randomly selected gas station in Country B charged more than the mean price in the Country A? (Round your answer to four decimal places.)