A least squares regression line is f(x) = -3.19x + 123.63, r 0.59. The strength of the direction is:

Q: AB I| DE 15 What 's the beagth of DE ? D 12

A: We need to prove that∆ABC and ∆DEC are similar triangles. If two tringles are similar then their…

Q: Given the following results of the height and weight of 1,000 men students : 3=68", X-150 lbs, 960,…

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Q: S- VE + 4) dx b)

A: We have to evaluate given integration ∫5x4-x5+4dx

Q: I cannot see the answer for letter b

A: Sample size (n) = 10 Probability(p) = 0.69

Q: ho thats only #8 i need help with all

A: You have asked multiple questions.  Here we are allowed to answer only one question or first three…

Q: Why I cannot find that answer? Can you label the answer out?

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Q: dr –DA V7 - 5r)

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Q: Evaluate āxb where ā = 3î – 5} and 5 = 2î + 3}

A: unit vector cross product:i^ x j^ = k^                           j^ x i^ = -k^j^ x k^ = i^…

Q: The weight of an adult wombat is N(25,2.2). You have 4 wombats. How much would your wombats have to…

A: Given : The weight of an adult wombat is N(25.2.2).

Q: Find (a) u × v, (b) v × u, and (c) v × v.…

A: Given : u =0,2,1v = 1,-3,4(a) u x v = ijk0211-34u x v =i 21-34    -j0114  +k021-3          = i(8+3)…

Q: What is AA-. wbetce 2 2 1 2 2 2 1 1 A = 2

A: To Determine: find AA-1 Given: we have a matrix A=122212221 Explanation: we have a matrix…

Q: find the Valus of xad y for which 2.

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Q: What formula or technique did you use?

A: Different combinations are considered under given conditions.

Q: Suppose T is the transformation from R2 to R2 that results from a x-expansion by 2 followed by a…

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Q: Marcus has 15 blocks 2/3 of the blocks are wooden and the rest are made of soft Poam How many soft…

A: It is given that Marcus has 15 blocks 23 of the blocks are wooden and the rest are made of soft…

Q: prow $ PCC-AIB)= pccl B) - p(AIB)

A: The answer is given below

Q: arg (3 – 2i) =

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Q: what are my variable?

A: The question which is to be verified using hypothesis testing is  " do resting heart rates differ…

Q: Need solution for D, E and F please

A: ( d )chi-squared goodness of fit test for categorical data. The formula is as follows:Degrees of…

Q: z - 8 j, k, 64y3 + 125 I. -60x² +315x - 75

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Q: 3 D= -1 5 4

A: See the solution in the given fig.1

Q: How are r and r squared interpreted?

A: The correlation coefficient (r), is used to define the linear relationship between the independent…

Q: r de o pilg

A: To evaluate the given integral.

Q: I can't understand the answer because the text wan't correctly formatted.

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Q: What is the value of r?

A: Calculated values :  N1 = 200  dN1/dt = 100    N2 = 400  dN2/dt = 160

Q: 3 Q 4. Differentiate Vx2 Vx2 2 +

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Q: Зу — 1 dv? 4v3 1 レ

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Q: What is the Combination Rule?

A: Combination and permutation:Using permutations and combinations, the number of ways an object can be…

Q: Need A and B done this is all one question. ThankYou!

A: Given, A: p1=0.08 n1=150 B: p2=0.06 n2=200