10. MP4 Model with Math The Aztecs had a
solar calendar. How many days are in 7 of the
longer months? Show how to use a number
line to solve
The longer months of the calendar
are each 20 days long. After the longer
months, there is a period of 5 days.

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?