The proportion of red M&M's made is 0.24. Suppose one took a random sample of 51 M&M's.

(a) What is the probability that an SRS of 51 M&M's has as its proportion of red M&M's 0.23 or below?
(b) Find the 80th percentile for sample proportions of red M&M's in samples of size 51.

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