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 of 13 or larger from this population?
A) equal to the probability of selecting a score above the mean
B) about one standard deviation below the mean
C) less than .10
D) greater than .31
Correct Answer:
Verified
Correct Answer:
Verified
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Q21: Without knowing a thing about the population
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