Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.
Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(F|E).
A. 0.818
B. 0.340
C. 0.720
D. 0.107
Answer: D
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Solve the problem.The length of a rectangular storage room is 7 feet longer than its width. If the area of the room is 98 square feet, find its dimensions.
A. w = 6 ft, l = 13 ft B. w = 6 ft, l = 15 ft C. w = 7 ft, l = 14 ft D. w = 8 ft, l = 15 ft
Determine whether the given series converges or diverges, and find the sum if it converges.0.98 + 0.0098 + 0.000098 + . . .
A. Converges; sum = 
B. Converges; sum = 
C. Converges; sum = 
D. Diverges
Solve the problem. Round your answer to the nearest tenth, if necessary.A man rode a bicycle for 12 mi and then hiked an additional 8 mi. The total time for the trip was 5 hr. If his rate when he was riding a bicycle was 10 mph faster than his rate walking, what was each rate?
A. Bike: 12 mph; hike: 2 mph B. Bike: 14.5 mph; hike: 4.5 mph C. Bike: 13 mph; hike: 3 mph D. Bike: 11.5 mph; hike: 1.5 mph
Given the polynomial functions, find the product function and the specified value.Let f(x) = x + 3 and g(x) = x2 - 9x - 7. Find (fg)(x) and (fg)(-4).
A. (fg)(x) = x3 + 12x2 + 34x + 21; (fg)(-4) = 285 B. (fg)(x) = 3x3 + 27x2 - 21x; (fg)(-4) = -540 C. (fg)(x) = x3 - 9x2 - 7x; (fg)(-4) = -180 D. (fg)(x) = x3 - 6x2 - 34x - 21; (fg)(-4) = -45