Question: Scores on a statistics final in a large class were normally distributed with a mean of 75 and a standard deviation of 8. a. What

Scores on a statistics final in a large class were normally distributed with a mean of 75 and a standard deviation of 8.

a. What proportion of the scores were above 90?

b. What proportion of the scores were below 65?

c. What is the probability that a randomly chosen score is between 70 and 80?

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