Blood Tests A hospital uses two tests to classify blood. Every blood sample is subjected to both tests. The first test correctly identifies blood type with probability .7, and the second test correctly identifies blood type with probability .8. The probability that at least one of the tests correctly identifies the blood type is .9. a. Find the probability that the second test is correct, given that the first test is correct. b. Are the events “test I correctly identifies the blood type” and “test II correctly identifies the blood type” independent?
Blood Tests A hospital uses two tests to classify blood. Every blood sample is subjected to both tests. The first test correctly identifies blood type with probability .7, and the second test correctly identifies blood type with probability .8. The probability that at least one of the tests correctly identifies the blood type is .9. a. Find the probability that the second test is correct, given that the first test is correct. b. Are the events “test I correctly identifies the blood type” and “test II correctly identifies the blood type” independent?
Blood Tests A hospital uses two tests to classify blood. Every blood sample is subjected to both tests. The first test correctly identifies blood type with probability .7, and the second test correctly identifies blood type with probability .8. The probability that at least one of the tests correctly identifies the blood type is .9.
a. Find the probability that the second test is correct, given that the first test is correct.
b. Are the events “test I correctly identifies the blood type” and “test II correctly identifies the blood type” independent?
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Pls help on all asked questions. Pls show all work and steps.
How long is a guy wire reaching from the top of a
15-foot pole to a point on the ground
9-feet from the pole?
Question content area bottom
Part 1
The guy wire is exactly
feet long.
(Type an exact answer, using radicals as needed.)
Part 2
The guy wire is approximatelyfeet long.
(Round to the nearest thousandth.)
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