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

Mathematics

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Rewrite the expressions with rational exponents as radical expressions, and then solve the equation.(x2 - 3)1/2 - (x + 3)1/2 = 0

A. {2, 3} B. {-3} C. {-3, 3} D. {-2, 3}

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Phosphorus 32 has a half-life of 14.2 days. If 600 g of this substance are present initially, find the amount present after t days. What amount will be left after 3.55 days? How fast is the phosphorus 32 decaying when t = 3.55? ?

A.
B.
C. ?
D. ?

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Solve the problem.A manufacturer's cost is given by C = 200  + 1000, where C is the cost and n is the number of parts produced. Find the cost when 8 parts are produced.

A. $1566 B. $1400 C. $100 D. $1200

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Simplify the exponential expression. Assume that variables represent nonzero real numbers.-32

A. -9 B. -6 C. 9 D. 6

Mathematics