Step-by-step solution file
For the first part, express your answer in a number between 0 and
For the first part, express your answer in a number between 0 and 1 with four digits of precision (i.e. 25.01% is 0.2501). Express your answer in the second part with four digits of precision.
Suppose we obtain a sample of 21 observations from a normally distributed population with a population mean of 85 and a standard deviation of 31.81. What is the probability that the sample average of X is greater than 94.93?
What is the standard error?
This question was answered on: Feb 21, 2020
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