You Want to Estimate the Average Gas Price in Canada

question 31

Multiple Choice

You want to estimate the average gas price in Canada for a litre of regular unleaded gasoline.You take a random sample of prices from 100 gas stations,recording an average cost of $1.37 and a standard deviation of $0.11.Create a 99% confidence interval for the mean price per litre of regular unleaded gasoline.

• A)($1.36,$1.38)
• B)($1.30,$1.44)
• C)($1.32,$1.45)
• D)($1.22,$1.52)
• E)($1.34,$1.40)

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