The total number of people are
.
Here
and
.
Find mean
.


.
Find standard deviation
.


.
Find the probability between
and
people.
The probability is
.

Find the corresponding
values for
and
.
.
and 
and
.
Using
score table:
The area for
is
.
value is
.
The probability of
and
people saw more than
movies in a movie theater is
.
The probability of
and
people saw more than
movies in a movie theater is
.
The probability of
and
people saw more than
movies in a movie theater is
.