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Dahasolnce [82]

3 years ago

5

Brian is a salesman for a wholesale computer parts company. He earns commission at the rate of 4%. Last month his total sales $8

3,000. What was his income last month ?

2 answers:

VLD [36.1K]3 years ago

7 0

Answer:

$3,320

Step-by-step explanation:

4% of $83,000 = $3,320

34kurt3 years ago

6 0

Answer:

$3,320

Step-by-step explanation:

4% of $83,000 = $3,320

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The Fox TV network is considering replacing one of its prime-time crime investigation shows with a new family-oriented comedy sh

tamaranim1 [39]

Answer:

a) The population proportion is 0.625

b) The confidence interval is (0.578 , 0.672)

Step-by-step explanation:

* Lets explain how to solve the problem

- The Fox TV network is considering replacing one of its prime-time

crime investigation shows with a new family-oriented comedy show

- There are 400 viewers

∴ The sample size is 400

- 250 of them indicated they would watch the new show and

suggested it replace the crime investigation show

∴ The number of success is 250

∵ The population proportion P' = number of success/sample size

∴ P' = 250/400 = 0.625

a) The population proportion is 0.625

* Lets solve part b

- Develop a 95 percent confidence interval for the population

proportion

∵ The confidence interval (CI) = $P'(+/-)z*(\sqrt{\frac{P'(1-P')}{n}}$ ,

where P' is the sample proportion, n is the sample size, and z*

is the value from the standard normal distribution for the desired

confidence level

∵ 95% z is 1.96

∴ z* = 1.96

∵ P' = 0.625

∵ n = 400

∵ $\sqrt{\frac{P'(1-P')}{n}}=\sqrt{\frac{0.625(1-0.625)}{400}}=0.0242$

∴ CI = 0.625 ± (1.96)(0.0242)

∴ CI = (0.625 - 0.047 , 0.625 + 0.047)

∴ CI = (0.578 , 0.672)

b) The confidence interval is (0.578 , 0.672)

5 0

3 years ago

Hello! Please help if you’re able to :D!!

dezoksy [38]

Answer: Simplify $\frac{x}{y}$ = 5/6 = $\sqrt[n]{x}$ = 0.83

Step-by-step explanation: I hope I'm correct :)

8 0

2 years ago

A quadratic equation is shown: x2 + 18x + 76 = 0 Which of the following is the first correct step to write the above equation in

tia_tia [17]

Answer:

x^2 + 18x + 76 + 5 = 0 + 5

Step-by-step explanation:

The first step is to determine the constant that is needed to be able to write the expression in the desired form. That constant is the square of half the x-term coefficient: (18/2)^2 = 9^2 = 81.

The constant that is present is 76, which is 5 fewer than the needed constant, so the "first step" is to add 5 to both sides of the equation:

x^2 + 18x + 76 + 5 = 0 + 5

Then the next step would be to write the left side as a square:

(x +9)^2 = 5 . . . . . . . p = -9; q= 5

4 0

3 years ago

- The wait times for two different rides are

erma4kov [3.2K]

Answer:

(in a fraction format) 12/75=x/120

Step-by-step explanation:

The simplest way I can explain* is for these types of problems, all you do is make an equation like the one above and use an X as the numerator in the second equation over the denominator, which should be something like 120 in this problem. So after you find the information for the problem, which is the part where it states how much time a line of 48 people had to wait, make an equation using that information, which is 12/48. Then to finish the equation, use the 120 people in line part and make another equation that has an X as the numerator, or the number on top. It should look like this:

12/75 = x/120

I tried sorry*

8 0

3 years ago

Kim is planning a trip to Spain. She will stay there for a total of thirteen nights. She has found two options for her lodging:

lys-0071 [83]

Answer:

5

Step-by-step explanation:

search up your answer and its on a quizlet

3 0

3 years ago