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# 1313_quiz9_after - 1313 Quiz#9 Let A and B be events in a...

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1 1313 - Quiz#9 Let A and B be events in a sample space S such that P(A) = 0.33, P(B) = 0.35 and P(A B) = 0.14. Find P(A | B). a) 0.2059 b) 0.4242 c) 0.4000 d) 0.9429 e) 0.0286 f) None of the above. Let A and B be events in a sample space S such that P(A) = 13/50, P(B) = 49/100 and P(A B) = 1/10. Find P(B | A c ). (Hint: Draw a Venn Diagram to find P(A c B).) a) 0.1351 b) 1.8846 c) 0.5270 d) 0.6622 e) 0.7959 f) None of the above. If A and B are independent events and P(A) = 7/10 and P(B) = 3/5. Find P(A B). a) 0.07 b) 0.06 c) 0.42 d) 1.00 e) 0.13 f) None of the above.

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2 Quality Control: A company has four photocopy machines A, B, C and D. The probability that a given machine will break down on a particular day is P(A) = 17/100 P(B) = 1/5 P(C) = 4/25 P(D) = 3/25 Assuming independence, what is the probability on a particular day that all machines will break down? a) 0.01000000 b) 0.00000340 c) 0.00065280 d) 0.15318627 e) 0.00153186 f) None of the above. A pair of fair dice is cast. What is the probabiliy that one of the numbers falling
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## This note was uploaded on 02/21/2012 for the course MATH 1313 taught by Professor Constante during the Spring '08 term at University of Houston.

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1313_quiz9_after - 1313 Quiz#9 Let A and B be events in a...

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