Question 823416
 Assume the following data is the list of the gross amount (in millions) for movies in a given year. Construct a 95% confidence interval if the standard deviation of the gross amount is 100 million dollars. 
The gross amount of movies is 4305 (in millions) there are 35 numbers added to reach this number. 
------------------
x-bar = 4305 million
----
ME = 1.96*100 mil/sqrt(35) = 33.13
-----
95% CI: 4305-33.13 < u < 4305+33.13
95% CI: 4317.87 < u < 4338.13
=================================
Cheers,
Stan H.
===========