The table below shows approximate flight times between Petersburg and other cities.
То

Anchorage-170
Seattle-150
Ketchikan-45
Juneau-30
Sitka-35

What is the mean flight time?
A. 45 minutes
B. 86 minutes
C. 140 minutes
D. 170 minutes

Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)