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14 votes
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A random sample of 50 cars in the drive-thru of a popular restaurant Amrik-Sukhdev revealed an average bill of Rs 600 per car. The population standard deviation is 150. Estimate the mean bill for all cars from the drive-thru with 98% confidence.​

User Lee Netherton
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1 Answer

13 votes
13 votes
I think it has to be 45.
User Jitendra Tiwari
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