Exercise 4.2. A fast-food restaurant operates both a drive-through facility and a walk-in facility. On a randomly selected day, let X and Y, respectively, be the proportions of the time that the drive-through and walk-in facilities are in use, and suppose that the joint density function of these random variables is S(z, y) = {(x + 2y), 0

Q: 7.2-9

A: Solution: The percentage of body fat measured at the beginning of the semester and at the end of the…

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Q: 2 2 Que s-tion : - 5 %3D 4-3x 4- 3x

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A: As per guideline we have to solve only one since all question are different

Q: 10

A: To simplify 35+710.

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A: Given. A linear equation in X such that 3X/4 + 5/8 = 2

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A: To evaluate the integration.

Q: 4. 1+x+x* dx 1+x2 34.

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Q: 5.1 #7

A: Given that                  A=60-1054-403-3502-425, λ=5

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A: trigonometry rule

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A: Solution is done in step 2

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A: Given that the integral ∫36∫47xy dydx. Find the value of given integral.

Q: 4.5-10

A: Introduction: Suppose X and Y follow the bivariate normal distribution with mean and variance of X…

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A: To simplify the expression means writing it in the simplest form.

Q: 3,

A: Use 2 chords power theorem

Q: 6. 3V54 – 2/2 + 7/-16

A: 3*543-223+7-1633*543=3*3.7797=11.33922*23=2*1.2599=2.51987*-163=7*-2.5198=-17.6386

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A: The series ∑n=1∞1n0.2. We have to check whether it is convergent or divergent.

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Q: 2. Factor. 10 x2/5 (4x + 7)/2 +÷ 7 3 7/5 (4x + 7)-1/2 3

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Q: 4. Find tricingeo. FincX 3.2 2.7

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Q: 8. 2 k=1 3k

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Q: 60 6 30 V3/2

A: Topic:- trigonometry ratios

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Q: 5) 3x +5 30

A: Topic = Inequalities

Q: 7.2-2

A: Given:   x y 644 623 493 472 532 492 462 661 565 540   502   549   518

Q: Find the circumference of each circle. Leave your answer in terms of T.

A: From the image of the circle, we see that the radius=r=3.9 units

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Q: 4(2w - 5) = 5w + 4 %3D

A: Here we have,  4(2w-5)=5w+4 ................................ (1)

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Q: 14.05 X 7 5.

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