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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Find the expression.v = -9i - 7j, w = i - 7j ; Find v + 7w.
A. -9i - 49j B. -2i + 56j C. -16i + 42j D. -2i - 56j
Solve the problem using the tables below.
Find the annual premium for a 20-year level term insurance policy with a face value of $50,000 for a 25-year old male who smokes.
A. $114.00 B. $143.00 C. $54.50 D. $128.00
Solve the problem.One Internet service provider has the following rate schedule for high-speed Internet service:Monthly service charge$18.001st 50 hours of usefreeNext 50 hours of use$0.25/hourOver 100 hours of use$1.00/hourWhat is the charge for 50 hours of high-speed Internet use in one month?What is the charge for 75 hours of high-speed Internet use in one month?What is the charge for 135 hours of high-speed Internet use in one month?
Fill in the blank(s) with the appropriate word(s).
In a right triangle, find the length of the side not given. Let c represent the length of the hypotenuse. Give an answer to the nearest tenth if necessary.b = 12 cm, c = 15 cm
A. a = 81 cm B. a = 9 cm C. a = 10 cm D. a = 3 cm