Question: A population of values has a normal distribution with = 216.4 =216.4 and = 16.4 =16.4 . If a random sample of size n =

A population of values has a normal distribution with =216.4=216.4 and =16.4=16.4. If a random sample of size n=18n=18is selected,

  1. Find the probability that a single randomly selected value is less than 212.1. Round your answer to four decimals.
    P(X < 212.1) =

  2. Find the probability that a sample of size n=18n=18 is randomly selected with a mean less than 212.1. Round your answer to four decimals.
    P(M < 212.1) =

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