An article included data from a survey of 2857 hiring managers and human resource professionals. The article noted that many employers are using social networks to screen job applicants and that this practice is becoming more common. survey, 1300 indicated that they use social networking sites (such as Facebook, MySpace, and LinkedIn) to research job applicants. For the purposes of this exercise, assume that the sample is representative of hiring managers and human resource professionals. Of the 2857 people who participated in the Assuming that this sample is random/representative of the population, what other a. assumptions need to be true before we can create a confidence interval?

Q: 14. ) -10 < 4t- 2 s 6

A:

Q: 6.7 Find the unique number which is equal to its half plus 1.

A:

Q: 3-5(4x + 7)

A:

Q: 31. | V36 — 9х2 dх

A: Use trigonometric substitution x=2sint.

Q: x - 3 2- y 2. 7- 2x 4. 3 2.

A:

Q: ² 2y 20) 2.xy

A: Let's find.

Q: For all the following linear systems i) Write the following linear systems in matrix notation Ax =…

A:

Q: 12. Stan³0 sec²0d0

A: Integration is done by "u" substitution method

Q: 7. Find 1-+- + 2:10 330

A:

Q: 10. (x² – 2y)³ 3

A: Given,          x2-2y3

Q: 7. a+d be c+f d f 9 i e h

A: Result-1) if two rows or two columns of matrix A are identical or linearly dependent then…

Q: 2y 4x y

A:

Q: In(n²) 3. Σ-2 00 n32

A:

Q: x-3 12 %3D 18

A: Given equation is x-318=129. To find x, first cross multiply the above and then simplify it.

Q: 3 125 3) = 5x 6. - 3 4,

A:

Q: 11. -1 4 -3 4 -3 1 -2 0 3

A:

Q: ((- +3) dt 21.

A: the given integration,       ∫0245t3-34t2+25t dt

Q: x+ 5 = 20 Find x.

A:

Q: -2.4≥ x/5

A: We have to solve for x

Q: 3 3. tan ydy

A: Consider the given integral. I=∫π33π4tan8ydy First calculate the integral. I1=∫tan8ydy

Q: 20. . (z3. 4) sion. 24. 2(6x +) a. 12x + 2 b. 12x +1 c. 6x ++ 6x 6x + 1/2

A:

Q: or the given graphs, determine the intervals where the graph is increasing, decreasing, and/o…

A: Since you have asked multiple question, we will solve the first question for you as per our guide…

Q: 6. X-4 >2 X+3

A:

Q: 4 2x+x*/x-1 2. Evaluate S 2 1

A:

Q: similar: 2x 12. 12: y+ 4 20 15

A: Topic:- geometry

Q: L-1 (s+2)²+3 2.

A:

Q: 8. 2x + 21 < 11

A: Solve inequality

Q: Ч__3x т х-5 X2-4

A: Given,             4x-5+3xx2-4

Q: 4.25a - 7.5a + 5 + 3.2a

A:

Q: 6. (2m²n)* 1 Show Your Work

A:

Q: 4 y = -x-8 8. (14,-16)

A: Given equation is y = (4/7)x - 8

Q: 2 (x-3) -1= 3°(x to ) :

A: Simply do the algebraically calculation and determine x.

Q: 11x + 1 W

A:

Q: le + 2*]dx - 2*r]dr 3.

A:

Q: 6. (r- 30)° ot

A: In this question ....we fint out all angles of triangles. we know that the sum of all angles of…

Q: . 4x2 – 16 0 (-0, 2], [2, 0) -

A:

Q: ab?x 2

A:

Q: |番,曲 1 dx (r-2)² 5. 2.

A: Given :

Q: 214 500 %3D

A: The obtain the value of 214500, divide the number 214 by the number 500. That is, here the dividend…

Q: 22. Differentiate. y = asinh x

A: Given,  y=xsinh x

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.