Question: Problem 4.39 Assume that math SAT scores are normally distributed with = 500 and = 100. (a) What proportion of the students have

Problem 4.39 Assume that math SAT scores are normally distributed with µ = 500 and σ = 100.

(a) What proportion of the students have a math SAT score greater than 650?

(b) What proportion of the students have a math SAT score less than 550?

(c) Ten students are selected at random. What is the probability that at least one out of the ten scored at least 650 or better?

(d) (Part

(c) continued) What is the probability that all ten scored at most 550?

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