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Please Double Check answers I've recived 3 wrong answers on three diffrent questions today thank you CNNBC...

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Basic Math

Please Double Check answers I've recived 3 wrong answers onthree diffrent questions today thank you

CNNBC recently reported that the mean annual cost of autoinsurance is 1006 dollars. Assume the standard deviation is 245dollars. You take a simple random sample of 73 auto insurancepolicies.

Find the probability that a single randomly selected value isless than 973 dollars. P(X < 973) =

Find the probability that a sample of size n = 73 is randomlyselected with a mean less than 973 dollars. P(M < 973) =

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SolutionGiven thatmean 1006 dollerstandard    See Answer
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