Global TV news, in a segment on the price of

Global TV news, in a segment on the price of gasoline, reported last evening that the mean price nationwide is $1.25 per litre for self-serve regular unleaded. A random sample of 35 stations in Edmonton revealed that the mean price was $1.27 per litre and that the standard deviation was $0.05 per litre. At the 0.05 significance level, can we conclude that the price of gasoline is higher in this city? Determine the p-value.

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