The Dean of Admissions in a Large University Has Determined

question 46

Multiple Choice

The dean of admissions in a large university has determined that the scores of the freshman class in a mathematics test are normally distributed with a mean of 82 and a standard deviation of 8. Based on this information, what is the probability that the mean score of a sample of 64 students is at least 80?

• A) .0987
• B) .4772
• C) .5987
• D) .7885
• E) .9772