When a man observed a sobriety checkpoint conducted by a police department, he saw 693 drivers were screened and 6 were arrested for driving while intoxicated. Based on those results, we can estimate that P(W)=0.00866, where W denotes the event of screening a driver and getting someone who is intoxicated. What does PW denote, and what is its value?

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0

r(0,90)(x,y) . t(-5,0)

last option

step-by-step explanation:

∆def to ∆d"e"f"

- rotate 90 counterclockwise degrees

- then translated 5 to the left (x --> x - 5)

answer is the last option

answer for #1 is c

answer for #2 is d

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