12. Let f(r) = r' and g(r) = Find the value of f"(2)g"(2).

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A: 0.1x"+10x=3 cos (wt).    x(0)=0 , x'(0) =0

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Q: Need answers to questions 15 -18.

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

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A: Given Information: Sample proportion from part 1 is 1925=0.76

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A: Given: Here X is the random variable, X~Nμ,σ2 with unknown σ.

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Q: 13. (-20x + 6x- 16) (2x + 4) 15. (x+ 4x+ 18x-20x- 10) (x + 5) 6x + 3x-7x + 6x- 5 17. 2x2 + x-3 27 -…

A: As per our guidelines, I am solving only the first three parts 13, 19, 21 please resubmit question…

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Q: (iii) Now, suppose we want to test H₁ : µx = µy against H₁ : µx > µy at significance level 0.05, by…

A: Given  X~NμX, 16 Y~NμY, 36

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Q: 4. Now imagine that you roll two dice, one red and one green. What are the possible sample means…

A: Hello, since your question has multiple parts, we will solve first question for you. if you want…

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A: Hi, we are supposed to answer one question at a time. Therefore, I am answering question 13.

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A: Hello! As you have posted 5 sub parts, we are answering the first 4 sub-parts.  In case you require…

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A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per…

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Q: Item#05 | Multiple Choice In problem number 4, what is the production yield of a total output of…

A: From the previous part we have n = 1350 x = 15 p = x/n = 15/1350 = 0.011