Multiple Choice
A researcher selects a sample of 49 participants from a population with a mean of 12 and a standard deviation of 3.5.What is the probability of selecting a sample mean that is at least equal to the population mean?
A) .50
B) equal to the probability of selecting a sample mean that is at most equal to the population mean
C) both A and B
D) none of the above
Correct Answer:

Verified
Correct Answer:
Verified
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