Please help me answer 2i) I get the incorrect answer

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: Given Information :  A company produces steel rods . The lengths of the steel rods are normally…

Q: eye color sample of random high school juniors brown. blue. green. male. 53. 39. 12 female 38. 24.…

A: Given that    BROWN BLUE GREEN TOTAL MALE 53 39 12 104 FEMALE 38 24 10 72   91 63 22 176 =…

Q: Given that f(x) 2x+7 %3D 3x-5' determine the equation of f-(x)

A: The given function is fx=2x+73x-5. Let fx=y. y=2x+73x-5 Replace x and y as follows. x=2y+73y-5

Q: Different hotels in a certain area are randomly selected, and their ratings and prices were obtained…

A: Answer:- Given, Slope = 135  y-intercept = -363 Using method , The regression line equation is,…

Q: Six sets of identical twins were randomly selected from a population of identical twins. One child…

A: Determine the type of testing used in the problem.   The type of testing used in the problem is…

Q: also answer letter c. thank you

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Q: The function f(x) = – 2x + 33x² – 168x + 7 has one local minimum and one local maximum. This…

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Q: 10.Given f (x) = 9x² + 7x and g(x) = 2 – x. Determine 5g(x) – f(x) a) 9x2 + 6х + 2 b) —9х2 — 12х +…

A: Given Information -  f(x) = 9x2+7xg(x) = 2-x We have to find the value of 5g(x) - f(x).

Q: iv) Perform the hypothesis test such that Ho: P = 0.4 versus H₁: P = 0.4 In both cases use a…

A: The regression line used to predict the variable over the another. The t test for slope is…

Q: (Tpoint) Calculate the 5 number summary and the interquartile range of the following data: 71, 41,…

A: Given dataset is,71, 41, 51, 54, 36, 28, 66, 44, 43, 21, 58, 38, 15, 48, 34Our objective is to find…

Q: At what value of x does the function f(x)=x' -3r? -9x change from deceasing to increasing? 1 -1 Find…

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Q: A test was given to a statistics class. Results for each gender and for one student in each gender…

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Q: The amount of coffee that people drink per day is normally distributed with a mean of 15 ounces and…

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Q: (g) Find P (Y > |X = }). (h) Find P (X < 1|Y < }).

A:

Q: Hi I am having difficulty answering letter D. Thank you.

A: (d)Denote X as the amount of salt consumed by a randomly selected American. It is given that X is…

Q: A popular restaurant determines that during the previous month, the average waiting time for its…

A: To determine the average waiting time for the remaining 15% of customers.

Q: Consider the hypotheses shown below. Given that x = 117, o=26, n = 47, a=0.01, complete parts a and…

A: given data x¯ = 117σ = 26n = 47α = 0.01hypothesis : H0 : μ = 124H1 : μ ≠ 124

Q: The set B = {2+ 2x², 4 − 3x + 4x², 19 − 9x + 18x²} is a basis for P₂. Find the coordinates of p(x) =…

A: Given Basis: B=2+2x2, 4-3x+4x2, 19-9x+18x2. To find: Find the coordinate of px=84-39x+80x2 relative…

Q: 12. If f(x) is a non-constant linear fucntion and g(x) is a quadratic function, then what type of…

A: f(x) is linear function so f(x) can be expressed as  f(x)=ax+b, where a≠0 and b are constants. g(x)…

Q: (a) Write hypotheses for evaluating whether the average number of hours worked varie across the five…

A: DF SS MS F p-value Between Groups 4 2006.16 501.54 2.188992 0.068193 Within Groups 1167 267382…

Q: 1. The management of a corporation anticipates a capital expenditure of $500,000 in 5 year for the…

A: We will be using compound interest formula to find instalment needed.

Q: 1 arctan 1 + arctan 3 - 4 ||

A: Formula used:

Q: 8. Use the graph given below to answer the questions. y 6- 4 g(x) a) Find f(g(1)) b) Find (f •…

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Q: A 20 kg object is attached to a spring with spring constant 260 kg/s². It is also attached to a…

A: We will start by taking differential equation generated by spring mass system and then use general…

Q: Let's Try 3.1 The diameter of a tree trunk is measured as 40 cm. If the relative error of the…

A: For the solution follow the next step.

Q: MONTH | ACTIVITY | COST $6,250 8,600 9,200 6,750 10,000 8,000 8,000 6,000 January February March 525…

A: *Answer:

Q: By using Laplace transform to solve y" + 4y + 8y = sin t with y (0) = 1 and y (0) = 0, what would be…

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Q: g(x) 1 + f(x) (d) h(x) h'(2)

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Q: Hi I am having trouble answering letter D. Thank you.

A: Hypotheses:Let p be the proportion of female who participate in the 2004 summer Olympic Games. The…