Suppose 300 fair coins are flipped. Let X be the number of heads in the first 200 flips and Y be the number of heads in the last 150 flips. Find Cov(X, Y ) and Corr(X, Y )

Q: Let ā and b = .Find —ӑ — 6. .Find - ӑ > ||

A: We will find -a-b as following.

Q: 4. If u = (-3, 2), v = (-4, –6), find 4u – 7v %3D

A:

Q: In (Z24, €) find the orders of the elements 3, 4, 6, 7, and 18.

A: Hey, since there are multiple questions posted, we will answer the first question. If you want any…

Q: How many arrangements have all 3 a's together?

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Q: Find each set U={2,3,5,7,11,13,17,19} B={2} Find B'

A: Given:       Set U=2,3,5,7,11,13,17,19             B=2     B'=set of elements of U that are not in…

Q: 1 Ita Į = ab

A: The objective is to show that, 11111+a1111+b=ab

Q: RT and UW are parallel lines. to S. V Which angles are vertical angles?

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Q: A student takes a true-false test that has 6 questions and guesses randomly at each answer. Let X be…

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Q: Consider rolling 2 3-sided dice. Let X = the sum of the dice.  Let Y = the product of the dice. a…

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Q: Let A = {a, b, c, d}. Find P(A).

A: Let A = {a, b, c, d}. Find P(A).

Q: Evaluate for x = 1, 3, 5, 7 Σ 2 χ3

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Q: Let A = {h,1,o}, B = {7,8), C = {7}. AXBXC = { CXBXA = { BXBXB={

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Q: Suppose a, = lan 1- 6an 2 + lan 3 and a4 = 47, as = 3, and a6 = -273. Find a1, a2, and az. %3D %3D =…

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Q: na cage, 3 white and 3 e world. What is the pr

A: There are total 6 mice which consists , 3 white mice. 3 grey mice. To determine the probability…

Q: Let A = (2,3, 4, 6, 7) and B= (1,2,3,5,6). WW hat is A n B' ? (4,7) Osomething else (1.2,34,7)…

A: We have given that  A = { 2, 3, 4, 6, 7 } and B = { 1, 2, 3, 5, 6 }.