A random sample of n=16 cookie boxes is obtained from population of scout cookies mean=9.0 ounces standard deviation =2.4. what is probability that this sample will have mean weight greater than 9.06? Hint: Compute the z score for the sample mean first and then use the z table to find the proportion above that z score.
A. 0.1587
B. 0.8413
C. 0.0228
D. 0.5000
Answer: A. 0.1587
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