4.Shown here is the percent frequency distribution of the U.S. population by age

4.Shown here is the percent frequency distribution of the U.S.
population by age as of July1 2000.AgePercent Frequency0-1320.0014-175.7018-249.6025-3413.6035-4416.3045-5413.5055-648.7065 or above12.60Total100.00b)
What percentage of the population is older than 34
years old?c)
What percentage of the population is between 25 and 54
years old inclusively?d)
The total population is 275 million. How many people
are younger than 25 years old?Suppose you believe that half the
people in the 55-64 class are retired and that approximately all of the people
65 or older are retired. Estimate the number of retired people in the
population.