In: Statistics and Probability
SAT scores have an average of 1200 with a standard deviation of 60.
a. | For a sample of 36, what is the probability that the sample mean will be within 5 points of the mean? |
b. | For a sample of 36, what is the probability that the sample mean will be with 10 points of the mean? |
c. | For a sample of 100, what is the probability that the sample mean will be within 5 points of the mean? |
d. | For a sample of 100, what is the probability that the sample mean will be with 10 points of the mean? |