In a random sample of seven aerospace engineers, the mean monthly income was $7322 and the standard deviation was $343. Assume the monthly incomes are normally distributed and use a t-distribution to construct a 95% confidence interval for the population mean monthly income for aerospace engineers.

Q: |TY/ ry

A:

Q: Find the general solution in terms of real functions. From the roots of the characteristic equation,…

A: Below given clear explanation

Q: 5.

A:

Q: In Guilford County North Carolina, all voters are either Republicans or Democrats. 39 percent of the…

A: Based on the given information, n=12, and p=0.39. The probabilities will be obtained as given below:…

Q: Solve for x

A:

Q: Finl with 3D ph

A: Given function is z=1+xyx2+y2 3D graph is

Q: find the votame befween cylenders

A: Given curves are x2+y2=1 and x2+z2=1 To find volume the between x2+y2=1 and x2+z2=1 We know that,…

Q: The data shown below consists of the price (in dollars) of 7 events at a local venue and the number…

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

Q: Add the Practons. Simplly if possible + lea+9 t.

A:

Q: Consider the following. u 3 (-4, =(-4, 6), v = (1, 1) (a) Calculate projy u.

A: Since you have asked multiple questions in a single request, we would be answering only the first…

Q: There are two more questions pleade

A: I have to answer for part-d and part-e, so i use the previous result .

Q: I need help with 13

A: By Mean value theorem, if a function f is differentiable on a, b, then there exist c∈a, b such that…

Q: s): olicities: Behavior at x-axis: (through, bounce, flatten) 2. Divide. 4x-10x+5x-7x+1 -x+2

A:

Q: i will re submit and answer g&h

A: Given that   We have to find g.. Variance and standard deviation of X  h..If the borrower is…

Q: Find a b. a = (3.5, 0.2), b = (-5, 4)

A: The given vectors  and .The aim is to find the value of the dot product .

Q: 46 lim n-x n k=1 e62+46k =

A:

Q: A= ュC= D=0 FIND AK

A: The given matrix is A=1201213 To find: Ak

Q: 4. Find the 2"

A: Given problem is :

Q: I wanted help with 22 not 21

A: 22)

Q: Evaluate   1 - ( 4 . 3 - 2 + 2 )

A: We have to evaluate: 1 - ( 4 . 3 - 2 + 2 )

Q: Evaluate Lt

A:

Q: hi i need help with 15

A: Obtain the probability that the size of the family is 4 or more. The probability that the size of…

Q: I indy ralue

A: using two formula ln(y²) =2lny (x-y)²=x²-2xy+y²

Q: Determine whether each of the following series is absolutely convergent, conditionally convergent or…

A: Hi! You have posted multiple questions. We are answering the first question as nothing is specified.…

Q: Evaluate  P43 and C96

A: Solution

Q: Can you please answer 6 and 10 and show Word please ?

A: Given below the detailed solution

Q: posted it again with just a request for d and e. Can you please pick that one up too?

A: d)   average marginal cost c(x)¯'=marginal cost/x here x=cases of premium multiuse copy paper…

Q: Find each of the following. \{1,2,5,9,14\} \cup\{1,3,4,8\}

A: Given, 1, 2, 5, 9, 14∪1, 3, 4, 8

Q: asked for 9 and 10..

A: 9 is solved in previous solution, so I am giving solution for 10 :  Given :  60% from south  * 60%…

Q: 3. Evaluate

A: The given integral is 1/(x-1)2/3 limit from 0 to 3.

Q: 3.ftcost²dt

A:

Q: 48" 17

A: