Assume the average price for a movie is $7.59

7.59. Assume the population standard deviation is $0.48

0.48 and that a sample of 36

36 theaters was randomly selected. Complete parts a through d below.

a. Calculate the standard error of the mean.

sigma Subscript x overbar

xequals

=$

0.08

0.08

(Round to four decimal places asneeded.)

b. What is the probability that the sample mean will be less than $7.73

7.73?

Upper P left parenthesis x overbar less than $ 7.73 right parenthesis

Px<$7.73equals

=

0.9599

0.9599

(Round to four decimal places asneeded.)

c. What is the probability that the sample mean will be less than $7.54

7.54?

Upper P left parenthesis x overbar less than $ 7.54 right parenthesis

Px<$7.54equals

=

nothing

(Round to four decimal places asneeded.)