Mathematics, 24.02.2021 04:10 elisameza

Please help :( Use the normal distribution of SAT critical reading scores for which the mean is 501 and the standard deviation is 113. Assume the variable x is normally distributed.
(a)
What percent of the SAT verbal scores are less than 650?
(b)
If 1000 SAT verbal scores are randomly selected, about how many would you expect to be greater than 550?

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