The following contingency table summarizes the drug test results for 422 test-takers: Positive Negative 0 164 Doesn't use drugs Uses drugs Total 247 2) The probability of a true negative: 3) The probability of an error: 4) The negative predicting value: 247 0.3886 1.000 For a randomly selected test administration, find the following probabilities. (Round the answers to 4 decimal places.) 1) The probability that the test-taker doesn't use drugs: 0.0426 X 175 X 11 Total 164 258 422

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Q: -8+2t 4

A: Question is based on linear equations solving.

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A: We will solve for 'x' .

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A: Given 1x - 3 = 23

Q: How do I solve

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Q: - 1/2x - 3 = - 9

A: SOLUTION-

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Q: How did you find A=250

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A:

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Q: How do I solve

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Q: How do I solve

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A: See the solution below:

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A: Solution

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A: Solution-

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A: