When a man observed a sobriety checkpoint conducted by a police department, he s

Question

When a man observed a sobriety checkpoint conducted by a police department, he saw 697 drivers were screened and 9 were arrested for driving while intoxicated. Based on those results, we can estimate that P(W) 0.01291, where W denotes the event of screening a driver and getting someone who is intoxicated. What does P (W) denote, and what is its value? What does P(W) represent? O A. P(W) denotes the probability of a driver passing through the sobriety checkpoint. O B. P(W) denotes the probability of screening a driver and finding that he or she is not intoxicated O C. P (W) denotes the probability of driver being intoxicated O D. P(W) denotes the probability of screening a driver and finding that he or she is intoxicated. (Round to five decimal places as needed.) Click to select your answer(s).

Explanation / Answer

Proportion of drivers who were arrested, P(W) = 9/698 = 0.01291

P(W') denotest the probability of screening a driver and finding that he or she is not intoxicated

Option B

P(W') = 1- P(W)
= 1- 0.01291
= 0.98709

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