Solve the problem using Bayes' Theorem. Round the answer to the nearest hundredth, if necessary.For mutually exclusive events X1, X2, and X3, let P(X1) = 0.20, 
and 
Also, 
P(Y?X2) = 0.30, and P(Y?X3) = 0.60. Find P(X2?Y).
A. 0.65
B. 0.19
C. 0.48
D. 0.33
Answer: D
Mathematics
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Draw a tree diagram for the experiment. Then use the diagram to find the number of possible outcomes.Choose a number (1, 2, 3) and then a vowel (a,e,i,o,u).
A. 8 outcomes B. 12 outcomes C. 15 outcomes D. 5 outcomes
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Factor completely, or state that the polynomial is prime.2x3 - 72a2x + 28x2 + 98x
A. 2x(x + 7 + 6a)(x - 7 - 6a) B. 2x(x + 7 + 6a)(x - 7 + 6a) C. 2x(x + 7 + 6a)(x + 7 - 6a) D. prime
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Give the focus, directrix, and axis for the parabola.x2 = 20y
A. (0, -5), x = -5, x-axis B. (5, 0), y = 5, y-axis C. (5, 0), x = 5, x-axis D. (0, 5), y = -5, y-axis
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Solve the exponential equation algebraically. Approximate the result to three decimal places.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics