Multiple Choice
Adult IQs are normally distributed, with a standard deviation of 15.We sample 10 adults and find .What is a 95% confidence interval for the mean adult IQ?
A) (65.6, 124.4)
B) (85.703, 104.297)
C) (83.967, 106.033)
D) (85.513, 104.487)
Correct Answer:

Verified
Correct Answer:
Verified
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