Question: Let x be a binomial random variable and suppose n= 20, p=0.4. Then P(-2 x +2) is: a) 0.963 b) 0.990 c) 0.957 d) 0.945

Let x be a binomial random variable and suppose n= 20, p=0.4. Then P(-2 x +2) is:

a)

0.963

b)

0.990

c)

0.957

d)

0.945

e)

0.950

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