Question: The average grade in a statistics course has been 69 with a standard deviation of 12.5. If a random sample of 50 is selected from
The average grade in a statistics course has been 69 with a standard deviation of 12.5. If a random sample of 50 is selected from this population, what is the probability that the average grade is more than 73? UseAppendix B.1for thez-values.(Round thez-value to 2 decimal places and the final answer to 4 decimal places.)
Step by Step Solution
There are 3 Steps involved in it
Get step-by-step solutions from verified subject matter experts
