help with statistics homework?

A simple random sample of size n = 81 is obtained from a population that is skewed right with a mean of 86 and a standard deviation of 27. 

A) What is P (X > 91.7)?

B) What is P (X < 79.4)?

C) What is P (84.5 < X < 92)?

1 Answer

  • 3 months ago

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