Multiple Choice
The Intelligence Quotient (IQ) test scores for adults are normally distributed with a mean of 100 and a standard deviation of 15. What is the probability we could select a sample of 50 adults and find the mean of this sample is less than 95?
A) 0.0091
B) 0.9818
C) 0.4909
D) 0.9544
Correct Answer:
Verified
Correct Answer:
Verified
Q22: If 40 samples of size 21 were
Q26: Sampling error is the difference between a
Q27: The standard deviation of the sampling distribution
Q29: Sampling from a population may be preferred
Q30: A population consists of 15 values. How
Q34: The Office of Student Services at a
Q36: A population consists of the following five
Q49: The wildlife department has been feeding a
Q58: A sampling distribution of the means is
Q60: When deciding to collect sample information rather