Question: Brain Teaser: Algebra Why do we use 1/4 in place of p 1 p in formula (22) for sample size when the probability of

Brain Teaser: Algebra Why do we use 1/4 in place of p 1  p in formula

(22) for sample size when the probability of success p is unknown?

(a) Show that p 1  p 5 1/4  p  1/2 2.

(b) Why is p 1  p never greater than 1/4?

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