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math help

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A random sample of size 26 is to be selected from a population that has a mean ì = 46 and a standard deviation ó of 15.
(f) What is the probability that the sample mean will be within 6 units of the mean? (Give your answer correct to four decimal places.)

  • math help -

    Between 40 and 52.

    Use process indicated in later post.

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