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i) A batter's hitting average is 0.357. If he gets up to bat 648 times, what...

i) A batter's hitting average is 0.357. If he gets up to bat 648 times, what is the probability he gets at least 250 hits?

ii) Find the mean and standard deviation for the following binomial distribution: rolling a die 50 times and getting at most 37 six's.

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