If the Amount of Petrol Purchased Per Car at a Large

question 105

True/False

If the amount of petrol purchased per car at a large petrol station has a population mean of $15 and a population standard deviation of $4 and it is assumed that the amount of petrol purchased per car is symmetric,there is approximately a 68.26% chance that a random sample of 16 cars will have a sample mean between $14 and $16.

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