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CALCULATE THE PROBABILITIES THAT THE SAMPLE MEAN IS LESS THAT 24.6 FOR BOTH SAMPLE SIZES N...

CALCULATE THE PROBABILITIES THAT THE SAMPLE MEAN IS LESS THAT 24.6 FOR BOTH SAMPLE

SIZES

N

32

63

math   Statistics-And-Probability   
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Answer #1

P ( xbar < 24.6 ) = P(z < (24.6-mu)/(sigma÷√n) )

Z = ( xbar - mu ) / (sigma ÷ √n)

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Population mean mu and population standard deviation sigma is not provided.

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