When comparing prices for activities at a local recreation center, you notice that the center charges different prices
on different days of the week. For example, riding a go-
kart costs $10 on Saturday and Sunday and $5 on
Monday through Friday.
Is the cost a function of the activity type? Explain why or
why not.

The ages of personnel in the accounting department of a large company are normally distributed with a standard deviation of 7 years. there is a 0.02275 probability that the age of any randomly chosen person in the department is less than 22 and 0.15866 probabilty that the age of any randomly chosen person is greater than 43. what is the mean of this distribution?