Question: a. f. If the random variable X has a normal distribution with mean 40 and std. dev. 5, calculate the following probabilities. P(X > 43)

a. f. If the random variable X has a normal distribution with mean 40 and std. dev. 5, calculate the following probabilities. P(X > 43) = P(X < 38) = P(X = 40) = P(X > 23) =

b. If there are 4 Czech tennis players, 4 U.S. players, and 3 Russian players at the U.S. Open Tennis Championship, how many ways could they be arranged?

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