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Q: (a) Approximately what percent of the song lengths will last more than 7 minutes? (b) State the…

A: Here given ,  Cumulative relative frequency graph for length of song in minutes.

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Q: Problem 8.7. Let A be an n x n orthogonal matrix, and x and y be n- dimensional column vectors. If y…

A: Y = AX given  please find solution below:

Q: The ideal I Ð J is a prime ideal of Z Ð Z if O A. I = J O B. I = 0 and J is prime in R2 O C. I = Z…

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Q: 9) $ (x) )= (7x-e)

A: Definition used -                     Chain rule of derivative -…

Q: Inferencial statistics a) Acme Toy Company prints baseball cards. The company claims that 30% of the…

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Q: Find the inverse and the Domain and Range of the given function. f (x) = V2x +1– 4

A: We plug y=f(x) and then switch x and y Then we solve for y Then plug y=f-1(x)   Answer(a):

Q: Out of 500 people sampled, 445 preferred Candidate A. Based on this, estimate what proportion of the…

A: Given Data: p=445/500=0.89 n=500   z-value corresponding to 90% Confidence =1.645

Q: Tell whether each of the following statements describes Figure A, Figure B, both, or neither. A

A: I have written only answer because it does not ask to explain.

Q: Use the diagram to find the missing measure. mZN M N 160°

A: find the missing measure, value of angle N =?

Q: Consider the following sample space S with events A, B and C: s = {1,2, 3, 4, 5, 6, 7,8} A = {1,2,3,…

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Q: A cancer test is 97% accurate in cancer patients. But in a person who ☆ does not have cancer, it…

A: Consider the following events, C=a person has cancerC'=a person does not have cancerP=test shows…

Q: 2. Two mobiles move in the same direction along the line of equation x + 3 y + 10 z - 10 -20 10 20…

A: Given- Two mobiles move in the same direction along the line of the equation  x + 310 = y + 1020 = z…

Q: Question 1 The following is a set of 109 DMT 242 examination marks ordered for convenience: 6 11 11…

A: Since you have posted a question with multiple subparts we will solve first three subparts for you.…

Q: Kindly help

A: The Taylor series can be obtain as follows.

Q: Question 4 The amount of time devoted to preparing for a statistics examination by students is a…

A: Given that  X~N(μ= 17 , σ= 5 ) μ= 17 , σ= 5 Formula for Z-score Z=(X-μ)/σ Note: According to…

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A: The objective of the question is to find the value of the expression (f-g)(3) where f(x) and g(x)…

Q: Armando claims that the solutions to 2xx = |x +5 are x = 5 and x = -3. Is he correct?

A: When there is equation which contain terms havung square root, the best method is to take square of…

Q: QUESTION 4, Suppose in a certain primary school, the weight of boys are normally distributed with…

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A: Step 1:Step 2:Step 3:Hope this helps!

Q: Consider the following hypothesis test: Ho: μ > 45 Ha: μ < 45 A sample of 36 is used. Identify the…

A: Given hypothesis test:H0:Sample size Level of significance

Q: During 2016 a vet saw 125 dogs, each suspected of having a particular disease. Of the 125 dogs, 60…

A: There are 125 dogs in which 60 were female, then 65 were males. From 60 females 25  had disease and…

Q: Question Two Small business owners often look to payroll service companies to handle their emplo yee…

A: We have given that,  The data set is,  820 270 450 1010 890 700 1350 350 300 1200 390 730 2040 230…