Use the method of natural frequencies to find the indicated probability.In one town, 10% of 18-29 year olds own a home, as do 35% of 30-50 year olds and 65% of those over 50. According to a recent census taken in the town, 27.3% of adults in the town are 18-29 years old, 36.8% are 30-50 years old, and 35.9% are over 50. If an adult is selected at random from the town and found to be a home-owner, what is the probability that they are aged between 30 and 50?
A. 0.331
B. 0.368
C. 0.129
D. 0.35
Answer: A
You might also like to view...
Solve the problem. Use ? ? 3.14 when necessary.Three people build a rectangular shed 8 ft wide, 6 ft long, and 7 ft high. About how many ft3 does the shed contain?
A. 21 ft3 B. 336 ft3 C. 2688 ft3 D. 146 ft3
Predict the display a calculator would give for the expression shown in the screen. 2990000000000
A. 2.99E-12 B. 2.99E12 C. 29.9E-13 D. 29.9E13
Find the critical number(s), if any, of the function
a. ?10 b. 5 c. ?10 and ??10 d. 5 and ?5
Solve the problem.A pulley with a diameter of 18 inches is driven by a belt which is moving 1351 feet per minute. To the nearest unit, how many revolutions per minute are made by the pulley?
A. 385 revolutions per min B. 392 revolutions per min C. 299 revolutions per min D. 287 revolutions per min