I am working on a homework assignment and am stuck with this binomial. Please show work so I need to understand.. I am stuck.

A certaintown, 60

60% of adults have a college degree. The accompanying table describes the probability distribution for the number of adults(among 4 randomly selectedadults) who have a college degree. Find the standard deviation for the probability distribution. Round to the nearest hundredth.

x

P(x)

0

0.0256

0.0256

1

0.1536

0.1536

2

0.3456

0.3456

3

0.3456

0.3456

4

0.1296

0.1296

A.

sigma

equals

=2.59

2.59

B.

sigma

equals

=0.98

0.98

C.

sigma

equals

=0.96

0.96

D.

sigma

equals

=1.12

1.12

Click to select your answer.