The following table represents the highest educational attainment of all adult
residents in a certain town. If a resident who has completed just high school
or only some college is chosen at random, what is the probability that they are
aged 20-29? Round your answer to the nearest thousandth.
Age 20-29 Age 30-39 Age 40-49 Age 50 & over
Total
High school only
823
1367
500
910
3600
1
646
1329
822
1189
3986
Some college
Bachelot's degree
1658
681
892
1428
4659
Master's degree
1172
617
759
971
3519
Total
4299
3994
2973
4498
15764

In may you used 400 kilowatt-hours of energy for electricity. a. calculate the total electrical energy use in joules. b. calculate your average power use in watts. c. assume that your power supplier generates electricity by burning oil. note that 1 liter of oil releases 12 million joules of energy. how much oil is needed to generate the electricity you use? give your answer in both liters and gallons. a. the total electrical energy use was nothing _ joules. (type an integer or a decimal.) b. the average power use is nothing _ watts. (round to the nearest whole number as needed.) c. to generate the electricity you used, nothing _ l is needed. (round to the nearest whole number as needed.) to generate the electricity you used, nothing _ gal is needed. (round to two decimal places as needed.)