A survey was conducted to estimate the population mean number of hours adult Americans spend working per week. A 95% confidence interval was constructed: a 95% confidence interval for µ: (40.1, 43.9) hours per week. A. What is a point estimate of the population mean number of hours adult Americans work per week? hours (do not round) Answer: 9. B. What was the margin of error in this study? Answer = hours (do not round)

Q: question

A: A matrix is an array of rectangular form that consists of elements that are arranged in rows and…

Q: Simplify. 5x x² + 2x 2 + 2x - 8 3 x + 4

A:

Q: Find AB.

A: We have to find product AB for the given matrices: A=4-32 and B=51 We know for multiplication of…

Q: what is the answer to the problem

A: We want to use implicit differentiation to find partial derivatives.

Q: Simplify. 2a-1+ 3b- a-1-b-1 2a-1+ 3b -2 a-1-b-1

A:

Q: he answer is still wrong

A: Sol:-We need to use Bayes' theorem to calculate this probability.  Let A be the event that Stage 3…

Q: Find A. 0 2 (2A)-1 = BB A =

A:

Q: need B and C of this answered

A: Given

Q: The age of murder offenders in the U.S. in 2016 is skewed right with a population mean of 31 years…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: I need help to do the exercises of the chart given for doing Excel and provide the steps as that…

A: Enter the data into the excel sheet as follows:

Q: Thank you.  I had some trouble understanding some of your writing and it would have been more…

A: Please find the explanation below. Thank you

Q: Simplify. a2 4a +3 3 4 a 1 a 3 Preview +

A: The given expression is,

Q: why are B and C multiplied by x

A: The non homogeneous part contains the term sin 2x and e^x.

Q: r A D C

A: We have given a diagram;

Q: Find A.

A:

Q: Need help finding for both a and b. Overall confused on this concept.

A:

Q: lim -2 13-x-2

A:

Q: 10 B 14 A

A: The Pythagoras theorem states Hypotenuse2=base2+perpendicular2.

Q: Find A. -6 4 (4A)-1 -2 1 A =

A:

Q: What are the values of a and b?

A: To find the value of a and b for the exponential function G(x) = a b(x-2) + c, we need to use the…

Q: Simplify. 5-2(2W-2) + w O-3w-9 O*3w+9 O 3w+9 O 3w-9

A:

Q: Where's b?

A:

Q: find x andy Xi +y =5+ 4

A: If x+iy= a+ib then x=a,y= b, where a,b are real numbers.

Q: where is the answer from the choices?

A:

Q: If A=39 and B=17 what does A+B= ?

A: Given, A=39 and B=17 Find A+B

Q: The table shows the movement of a stock for 30 randomly selected trading days. "Up" means the stock…

A:

Q: .2 y = 4 - x² and x +y = 2.

A:

Q: Simplify. 3x-1-2y-1 9x-2 - 4y-2 3x-2y-1 9x2 - 4y - 1 -2

A:

Q: 2. 8y-10y+3 1

A:

Q: Simplify. 2-x X² + 4x-12 2-x x² + 4x-12 2 -

A:

Q: Need help

A: The given expression is a2-2a-3 to find the factor for the given problem using the box method the…

Q: How do i do place the problem in the boxes

A: So we have to fit the multiplication in the table.

Q: REVIEW: 16) Given: X is the midpoint of both AD and BC. Prove: AABX = ADCX 1) X is the midpoint of…

A: