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melamori03 [73]
2 years ago
6

Paulo works at the United Nations. He researched what percent of the world's population lives on each continent. He surveys a sa

mple of employees at the United Nations about their continent of origin to see if the distribution in the sample agrees with the percentages he researched.
Which of these inference procedures is most appropriate?
Mathematics
1 answer:
Fofino [41]2 years ago
5 0

Answer:

confidence interval using a  two sample t test between percents

Step-by-step explanation:

confidence interval using a  two sample t test between percents This can be used to compare percentages drawn from two independent samples in this case employees. It is used to compare two sub groups from a single sample example the population on the planet

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Please help me. I need help
koban [17]
I am pretty sure the answer would be -.02
Bc you would do 2-3.6/5- -3
3 0
2 years ago
Write an equation for each problem. The square of a number is 8 more than twice the number.
avanturin [10]

Answer:

The equation is equal to

x^{2}=2x+8

Step-by-step explanation:

Let

x -----> the number

we know that

The equation that represented the problem is equal to

x^{2}=2x+8

x^{2}-2x-8=0

Solve the quadratic equation by graphing

The solution are x=-2 and x=4

see the attached figure

therefore

The number can be -2 or 4

3 0
3 years ago
Your cellular telephone provider offers two plans. Plan A has a monthly fee
photoshop1234 [79]

Answer:

you must send 25 msgs to have the same cost

Step-by-step explanation:

x = n of messages

15+ (0.25x ) = 20 + (0.05x)

0.2x = 5

x = 25

6 0
3 years ago
Read 2 more answers
Doria swam the 100-meter backstroke in 58.329 second. How do you express this time in words.show your work:
alex41 [277]

To solve this problem you must apply the proccedure shown below:

1. You have that the time, given in the problem above, is written in decimal form.

2. To express this time in words, you must begin from left to right. First, write the digits before the point (58) and after the points (329) as whole numbers. Then, finish it writting the place name of the last digit, as following:

(Note: The point is expressed as "and").

58.329: Fifty eigth and three hundred twenty nine thousandths.

Therefore, the answer is: Fifty eigth and three hundred twenty nine thousandths.

7 0
2 years ago
If f(x)=3x² - 4 and g(x)=x+2, find (f - g)(x).​
nika2105 [10]

Answer:

D

Step-by-step explanation:

(f - g)(x)

= f(x) - g(x)

= 3x² - 4 - (x + 2) ← distribute parenthesis by - 1

= 3x² - 4 - x - 2 ← collect like terms

= 3x² - x - 6

3 0
2 years ago
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