Question: Four hundred draws will be made at random with replacement from the box 1, 3, 5, 7 are the numbers in the box. a. Estimate

Four hundred draws will be made at random with replacement from the box 1, 3, 5, 7 are the numbers in the box.
a. Estimate the chance that the sum of the draws will be more then 1,500.
b. Estimate the chance that there will be fewer then 90 3's.

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