Given: • tan a = 2√√6, a € [0, π] • cos B = 3 5' Find the numerical value of the following: 1) csc a 2) tan 23 3) cos and sin < 0 (-28)

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A: Ans:  Givan probability distribution   x y f(x,y) -1 -2 1/3 -0.5 -1 1/6 0.5 1 1/6 1 2 1/3

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A: GivenTest of μ = 35 vs not = 35the assumed standard deviation(σ)=1.8N = 25Mean = 35.710

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