MallB8162 MallB8162

02-05-2024
Mathematics

Answered

College entrance exam scores are normally distributed with a mean of 500 and a standard deviation of 50. If a random sample of 75 students was taken, what is the probability that their average score would be above 505?
a. .5399
b. .8068
c. .1932
d. .4601

Answer :

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