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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Find the length of the curve.The curve r = a cos2 
, 0 ? ? ? ?, a > 0
A. 2?a
B. 
C. 
D. 2a
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Use a graphing calculator to solve the given equations to the nearest 0.01.2x4 - x3 - 7x2 + 3x + 3 = 0
A. -1.70, -1, 0.50, 1.70 B. -1.73, -0.50, 1, 1.73 C. -1, 1, -1.70, 1.70 D. 1, 1.70, 2, -1.70
Mathematics
Solve the problem.The monthly payment on a(n) $89,000 loan at 3% annual interest is $493.59. What is the balance of principal after the first monthly payment?
A. $88,185.76 B. $89,222.50 C. $88,728.91 D. $88,644.00
Mathematics
By making a table of both the left and right sides of the equation, conjecture if the equation represents an identity. cot ? = cos ? csc ?
A. No B. Yes
Mathematics