The distribution of the amount of money undergraduate students spend on books for a term is slightly right-skewed,with a mean of $400 and a standard deviation of $80.If a student is selected at random,what is the probability that this student spends more than $425 on books?
A)0.1125
B)0.3773
C)0.6227
D)This can't be determined from the information given.

Question

Quizplus · Accepted Answer

Given the distribution is slightly right-skewed, normal distribution assumptions (and thus direct probability calculations using the mean and standard deviation) may not apply accurately. The exact probability requires knowledge of the specific distribution shape or additional information.

The Distribution of the Amount of Money Undergraduate Students Spend