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Random samples of size n = 90 were selected from a binomial population with p = 0.4. Use the normal distribution to approximate the following probabilities. (Round your answers to four decimal places.)
(a)
P(p̂ ≤ 0.49) =


(b)
P(0.37 ≤ p̂ ≤ 0.49) =




Thanks.
10 years ago

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324
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7 years ago

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