Suppose that a poll taken 10 years ago found that

5555%

of parents spank their children. Suppose a recent poll of

300300

adults with children finds that

140140

indicated that they spank their children. Complete parts (a) and (b) below.

Question content area bottom

Part 1

(a) Assuming parents' attitude toward spanking has not changed since the original poll, how many of the

300300

parents surveyed would be expected to spank their children?

The expected amount of parents surveyed that would spank their children is

enter your response here.

(Round to the nearest whole number as needed.)

Part 2

(b) Do the results of the survey suggest that parents' attitude toward spanking may have changed since the original poll? Why?

A.

No,

140140

is inside the "usual" observation interval of this survey.

B.

No,

140140

is within one standard deviation of the expected amount of adults that spank their children.

C.

Yes,

140140

is less than the expected amount of adults that spank their children.

D.

Yes,

140140

is outside the "usual" observation interval of this survey.