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Approximate the Following Binomial Probabilities by the Use of Normal ≤\le

Question 38

Essay

Approximate the following binomial probabilities by the use of normal approximation.
a.P(X = 18,n = 50,p = 0.3)
b.P(X ≤\le 15,n = 50,p = 0.3)
c.P(X ≤\le 12,n = 50,p = 0.3)
d.P(12 ≤\le X ≤\le 18,n = 50,p = 0.3)

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a.0.0805
b...

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