I got the Answer by not using my free try, its $61.60.

What does independent variable and dependent variable mean in math?

Of the 50 us states 4 have names that start with the letter w

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?