Suppose that the probability that a federal income tax return contains an arithmetic error is 0.2. If 10 federal

income tax returns are selected at random, the probability that fewer than two of them contain an arithmetic

error is

A) 0.20.

B) (0.8)

10

+

(0.2)

10

.

C) 1

-

[ (0.8)

10

+

10(0.2)(0.8)

9

].

D) (0.8)

10

+

10(0.2)(0.8)

9

.

E) none of the above