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You draw 40 times with replacement from a bag containing 7 red marbles and 3 blue...

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Statistics

You draw 40 times with replacement from a bag containing 7 redmarbles and 3 blue marbles.

A) What is the chance you will get exactly 8 blue marbles?Explain if you should use binomial formula or normalapproximation.

B) What is the chance that you get fewer than 20 bluemarbles?Explain if you should use binomial formula or normalapproximation.

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