Question: Let x be a binomial random variable and suppose n= 20, p=0.8. Then the standard deviation is: Question 3 options: a) 2.30 b) 2.19 c)

Let x be a binomial random variable and suppose n= 20, p=0.8. Then the standard deviation is:

Question 3 options:

a)

2.30

b)

2.19

c)

1.79

d)

2.28

e)

2.24

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