Please explain into details. Thank you!    A box has 1 red and 3 blue marbles. Two marble are selected at random (together, without replacement). Let R be the number of reds we get. Let B be the number of blues we get. Compute Cov(R, B).

Q: If u= (2, 1) and v= (4, –16), find 4u+ v. 4 Select the correct answer below: O (9,0) O (6. –15) О…

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Q: Suppose Cov(X,Y) = 231. What is Cov(8.6X, 3.4Y)?

A: The objective of this question is to find the covariance of the two variables 8.6X and 3.4Y given…

Q: let v = (1, 3, −2) and w = (2, −1, 4). Compute v × w.

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Q: The next five births at a hospital all being boys

A: Let P(G) be the probability of birth of a girl and P(B) be the probability of birth of a boy. The…

Q: Find the missing value of the following combination 3.C(n,3) = 35 4.C(10, r) = 120 5.C(n,2) = 78

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Q: Given u = (-3, 4) and v (6,5), =

A: Given query is to perform indicated vector operation.

Q: Let u = (3, 5, -7) and v = (6, -5, 1). Evaluate u + v and 3u - v.

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Q: 5. Determine the combination V x (Vf) given that X" + y"

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Q: sinz = 0 iff %3D Select one: O z= kt. Oz=-+2kn. TO O z = + kt. 3T + kT. 2

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Q: Let i = (2, –1, 5) and ū = (5, –7,3). Find 37 – 5ū. %3D - А. (-19, —32, 0) В. (-19, 32, 0) С. (19,…

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Q: ede 02 and A= a3 then %3D Suppose e Oba, -0 Oca, -1 Od a--4

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Q: Evaluate ze -dz, where C is z+ 2 ((+2+2)?

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Q: Find the distance between (2,4) and (5,10). * 8 4 O 5v3 3V5 O O

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Q: Let V4 = 4 V2 = V3 = -2 Pi -2 P2 2 2 and S = {v1, v2, V3, V4}. Determine whether pl and p2 are in…

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Q: There are 30 sutdents in a class. Of the class 2/6 of the students bring have 1pet 1/6 of the…

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Q: Suppose u=⟨−4,4,−2⟩ and v=⟨4,−2,3⟩. Then u×v=   v×u=

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Q: Let ū = (2,3) and i = (5, 2). Find ū . Select the correct answer below: O (-3, 1) O (7, 5) O (3, –1)…

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Q: Find Duf at P. 2, -k 3' 2 f (x, y, z) = 6x³y°z°; P(2, – 2, 2); u = i+ 3 -

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Q: Let u = (1, 2, –4), v = (-5, 3, -7), and w = (-1,4, 2). Perform the operation u. Type your answer...…

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Q: Let ū = (3, – 4, – 10) and i = (– 7, – 2, 0). – 2,0). - - 2u + 20

A: Given:-u→=<3, -4, -10> andv→=<-7, -2,  0>

Q: Let u = (1, 2, 3), v = (4, 4, -2), and w = (6, -1, -2). Find z, where 2u + v – w + 3z = 0. z =

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Q: V. Let u¯= (-7, –2) and v= (-7, -1). Find u Select the correct answer below: O (0, 1) O (14,3) O (0,…

A: Given u→=-7, -2 and v→=-7, -1

Q: A strap is made up of 20 beads (4 yellow, 6 time, 3 red and 7 green. Calculate for all possible…

A: Given that there are 4 yellow beads  6 time beads 3 red beads  7 green beads We have to make a strap…

Q: Find the missing value of the following combination. 1. C(n,4) = 15 2.C(8, r) = 28

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Q: If ZVWY = XWY and XY = 98, what is VY? W Y V VY

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Q: Given u and v, find proj, u. и%3D-7, -4, -9] v = [-8, –6, 9] proj, u = %3D | Ex: 1.234 , Ex: 1.234…

A: We use the definition of Dot Product of vectors, Length of a vector, and Projection of one vector…

Q: Given v→ = and u→ = , find v→ + u→. v→ + u→ =

A: Given:     v  = ⟨ 10 , 2 ⟩      u = ⟨ -5 , 8 ⟩     v + u = ?

Q: Acere late ttesigned so that the first two characters are fletters and the last four characters are…

A: In the license plate first two characters are letters and last 4 characters are digits from 0-9.…

Q: Find u (vx w). =(5, 5, 5) v = (1, 9, 0) w = (0, 0, 4) U =

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Q: 7) A bag contains 10 marbles: 6 red, 3 blue, and 1 green. One marble is selected at random. 7). Find…

A: Explanation of the answer is as follows

Q: 2z 3 Select the correct reaponoe O None Oz = ct³ + t-5 9. O 2 = ct² +t 2 = ct³ – O z=

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Q: If ~v = 〈 4, 1, 6〉 and ~w = 〈3, 2, 3〉, find ~v · ~w and ~v × ~w.

A: If ~v = 〈 4, 1, 6〉 and ~w = 〈3, 2, 3〉, find ~v · ~w and ~v × ~w.

Q: Find Sol of 3za + 10zxy + 3zyy = 0

A: We will find it's solution.

Q: 0 5. 21 ) Let A=[¹²] and B= [¹ Find AB. 13

A: Given query is to find Matrix product.

Q: 2. Find x if m24 2x+3 and m381. 56 8 7 a 42 b. 39 c. 24 d. 21

A: solution:-