Suppose, at a local movie theater...

Question

Suppose, at a local movie theatre, the amount of money that a man spends at the concession has an average of $17 and a standard deviation of $4.80. As well, the amount of money that a woman spends at the concession has an average of $12 and a standard deviation of $3.60. Assume the spending amount is different for each person.

a) What is the expected difference in the amount spent by a man and woman at the concession?

b) What is the standard deviation for this difference? Round your answer to 4 decimal places.

c) What is the expected total amount spent by a man and woman at the concession?

d) What is the standard deviation for this total amount? Round your answer to 4 decimal places.

Answer 1