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The Scholastic Aptitude Test mathematics test scores
Chapter , Problem 24(choose chapter or problem)
QUESTION:
The Scholastic Aptitude Test mathematics test scores across the population of high school seniors follow a normal distribution with mean 500 and standard deviation 100. If five seniors are randomly chosen, find the probability that (a) all scored below 600 and (b) exactly three of them scored above 640.
Questions & Answers
QUESTION:
The Scholastic Aptitude Test mathematics test scores across the population of high school seniors follow a normal distribution with mean 500 and standard deviation 100. If five seniors are randomly chosen, find the probability that (a) all scored below 600 and (b) exactly three of them scored above 640.
ANSWER:Step 1 of 3
is a normal random variable (test scores) with parameters .