The average cost of a gallon of regular unleaded fuel at gas

Reference no: EM13496049

2. The average cost of a gallon of regular unleaded fuel at gas stations nationwide was $3.23, with a standard deviation of $0.23. Assume the national average holds for Connecticut. What is the probability that a sample of 30 gas stations in Connecticut has a mean between $3.34 and $3.55?

Reference no: EM13496049

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