A researcher selects a sample of participants to test for differences in employment rates among part-time and full-time teachers. Because there are many more women in teaching jobs than men, the researcher selected more women than men for her study to ensure that it represented the actual distribution of men and women teachers in the job sector. Which type of quota sampling was used in this example

Answers

Answer 1

Answer:

Answer: proportionate

Step-by-step explanation:

Proportional quota sampling is when the total number of people that are to be surveyed are decided in advance. This form of sampling is usually used in opinion polls and surveys.

Since due to the fact that there are many more women in teaching jobs than men, the researcher selected more women than men for her study to ensure that it represented the actual distribution of men and women teachers in the job, then this was decided in advance and indicates the proportionate quota sampling.

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HELP PLEASE MATH 1 QUESTION !!
What is the value of x?
Say that the economy is in an expansion, causing wages to increase by six percent. If you previously received a monthly salary of $1,375.00, what will your new monthly salary be? Round all dollar values to the nearest cent.
What is the area of this figure?

13.4 ___13.40

A : >
B : <
C : =

Answers

13.4 = 13.40

This is because the 0 at the end is a trailing decimal, and so when testing for inequalities, you can simply disregard it.

Approximately 4% of silicon wafers produced by a manufacturer have fewer than two large flaws. If Y, the number of flaws per wafer , has a Poisson distribution, what proportion of wafer have more than five large flaws?

Answers

Y ~ Po (λ)

P(Y < 2) = P(Y ≤ 1) = 0.04

Plug into the pdf for Po(λ), and solve for λ

After that, use your answer to find P(Y > 5)

Solve: ∫e^u/(1−eu)^2du

Answers

Answer:

Hi,

Step-by-step explanation:

$Let's\ say\ v=1-e^u \n\n\displaystyle \int\limits {\frac{e^u } { (1-e^u)^2 }} \, du \n\n\n=\int\limits {(1)/(v^2) } \, dv \ \n\n=-(1)/(u) +C\n\n=-\frac{1 } { 1-e^u } + C$

Jean walked 1 mile to her friends house, and then bicycled for 2 hours at m miles per hour. Write an expression for the total length of her trip.

Answers

Jean walked 1 mile to her friends house, and then bicycled for 2 hours at m miles per hour. Write an expression for the total length of her trip.=(1+2m)miles

A salesperson is paid a base salary of $300 a week plus a 5% commission on the sales he generates. Which inequality best represents s, the amount of sales in dollars he must generate to earn at least $500 for the week?

Answers

The expression can be written as the inequality:

300+0.05s≥500

300$ is made per week, so we start off with

300

He also makes 5% or 0.05 from his sales, so we add in the expression 0.05x (where s is equal to his sales volume for the week)

300+0.05s

If he wants to make at least 500$ weekly, then the total of the base salary plus the commission has to be 'greater than or equal to 500.

300+0.05s≥500

Lets solve for s now...

300+0.05s≥500
subtract 300 from both sides
0.05s≥200
Divide both sides by 0.05
s≥4000

Answer:

Answer is C

Step-by-step explanation:

Your welcome

Carol flips a coin, rolls a standard number cube, and randomly chooses a shape from the list below. Find the probability that the coin will show tails, the cube will show a multiple of 2, and a circle will be chosen. (the shapes are a - circle, triangle, square, and parallelogram)

Answers

Answer:

1/16

Step-by-step explanation:

1/4x1/2x1/2

idk if that helps

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I need help solving x^2+3xy-y^2=12 and x^2-y^2=-12