2. A box in a supply room contains 5 40-W bulbs, 4 60-W bulbs and 7 75-W bulbs. Suppose that 3 bulbs are randomly selected: a. What is the probability that exactly 2 of the selected bulbs are 75-W? b. What is the probability that all 3 selected have the same ratings? c. What is the probability that one bulb of each rating is selected?

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Q: P(A₁) = 0.22 P(A₂) = 0.25 P(A3) = 0.28 PLA, NA₂) = 0.14 P/A, NA3 ) = 0.05 P(A₂ MA3) = 0,06 P(A₁ ^ A₂…

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A: Given that μ=1332 , σ = 725

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A: It is given that, the odds against the horse winning the race are 1:4.

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A:

Q: i. ii. iii. the value of k; the cumulative distribution function of X; P(X <3). P(X<3).

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