Q. 215.0( 1 Vote )

Mark the correct A. 6

B. 8

C. 12

D. 10

Answer :

Given:

P(x=1)=1/4=p

q=3/4

Standard deviation =3

Mean=?

= 3

mean = np

= 12

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Mark the correct A. 6B. 8C. 12D. 10