The average cost for two people to go to a movie is 23 The s

The average cost for two people to go to a movie is $23. The standard deviaiton is $5. Assume the cost is normally distributed. Find the probability that at any given theater, the cost will be more than $27 for two people to go to the movie.

Refer to the table of values as needed. If necessary, round intermediate calculations to the nearest hundredth.

The probability that at any given theater, the cost will be more than $27 for two people to go to a movie is _______%

Solution

Using NORM.DIST function in excel and subtrcting with 1,

P(X>27)=0.2118