A random sample of 85 supervisors revealed that they worked an average of 7.3 years before being promoted. The population standard deviation was 2.5 years. Using the 0.95 level of confidence, what is the margin of error of the confidence interval for the population mean?

Q: solve for v 5(v-8)=3v-38

A: The given equation is

Q: Find the positive number which gives the smallest answer when you add its square to 16 times its…

A: Let the number is x So,  when I add its square to 16 times its reciprocal, then I get: We have to…

Q: b by factory Solve -2 2p²² + p ²²-1 1 = 0 D

A:

Q: What value of x will make the length of the box three times as big as the width?

A: see below the answer and explanation

Q: 4) Solve for x: 3x-24 16 - 3x-12 12 = 3

A:

Q: 3 solve Z²-1 where 2=2+²y; NiSER +

A:

Q: Solve for x and y 5y-4 x = y = 6x-4 12x-10 14

A: 1:

Q: Solve for x

A: Square both sides.  On right side use (a-b)^2= a^2 - 2ab + b^2

Q: – 5z + 2) dz.

A:

Q: Solve for x: 6cos2x + 7sinx - 8 = 0

A:

Q: Solve

A: The given equation is z4+83+8i=0

Q: V8x +33= x + 6

A:

Q: Solve h=ab+rh=ab+r for a

A: Given     h= ab + rh We can solve for a by separating it

Q: Graphing Linear Equations-Points For each of the following equations, complete the table. Use the…

A: We are asked to complete the given table and graph the solution.

Q: solve for X 6x+7y=2

A: Given:

Q: 4х +1 Зx + 2х 1 3х +2 | 8 a.

A:

Q: Please solve for the attached image, thanks!

A:

Q: 2. Show two ways of solving the following: 3*+2 – 3* = 216

A: