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yedida
yedida
07.04.2020 • 
Mathematics

The average price for a gallon of gasoline in the United States is 3.73 and in Russia it is 3.38 . Assume these averages are the population means in the two countries and that the probability distributions are normally distributed with a standard deviation of in the United States and a standard deviation of .20 in Russia. a. What is the probability that a randomly selected gas station in the United States charges less than 3.65 per gallon (to 4 decimals)? b. What percentage of the gas stations in Russia charge less than3.65 per gallon (to 2 decimals)? c. What is the probability that a randomly selected gas station in Russia charged more than the mean price in the United States (to 4 decimals)?

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