Solve the problem.The probability that a person passes a test on the first try is 0.67. The probability that a person who fails the first test will pass on the second try is 0.76. The probability that a person who fails the first and second tests will pass the third time is 0.60. Find the probability that a person who is prepared to take the test a maximum of three times will pass.
A. 0.9208
B. 0.9683
C. 0.3055
D. 0.0475
Answer: B
Mathematics
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D. 
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The bowling scores for a group are given.230, 214, 210, 198, 197, 187, 168, 167, 167, 163, 162, 160, 159, 158, 143, 141, 140, 138, 137, 137. Find the quartiles for the set of bowling scores.
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Mathematics
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A. 70 B. 110 C. 118 D. 114
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Factor completely. If the polynomial is prime, say so.x4 - 16
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Mathematics