Do you think the variable"weekly time spent watchingtelevision" would be normallydistributed? Ifnot, what shape would you expect the variable tohave?

A.

The variable"weekly time spent watchingtelevision" is likely skewedleft, not normally distributed.

B.

The variable"weekly time spent watchingtelevision" is likelysymmetric, but not normally distributed.

C.

The variable"weekly time spent watchingtelevision" is likely normally distributed.

D.

The variable"weekly time spent watchingtelevision" is likely skewedright, not normally distributed.

Your answer is correct.

E.

The variable"weekly time spent watchingtelevision" is likelyuniform, not normally distributed.

(b) According to a certainsurvey, adults spend 2.35

2.35 hours per day watching television on a weekday. Assume that the standard deviation for"time spent watching television on aweekday" is 1.93

1.93 hours. If a random sample of 40

40 adults isobtained, describe the sampling distribution of x overbar

x, the mean amount of time spent watching television on a weekday.

x overbar

x is approximately normal

with mu Subscript x overbar

=

2.35

2.35 and sigma Subscript x overbar

=

.