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Lynna [10]
3 years ago
9

HELP PLEASE (GIVING BRAINLIEST))

Mathematics
2 answers:
sergejj [24]3 years ago
6 0

Answer:

The answer is C

Step-by-step explanation:

It looks to be the closest to a proportional relationship.

bekas [8.4K]3 years ago
4 0

Answer:

I think that the answer is B

Step-by-step explanation:

I really hope this helps and sorry if that is wrong

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Annual salary plus bonus data for chief executive officers are presented in the BusinessWeek Annual Pay Survey. A preliminary sa
Anuta_ua [19.1K]

Answer:

175

Step-by-step explanation:

The sample size n in<em> Simple Random Sampling</em> is given by

\bf n=\frac{z^2s^2}{e^2}

<em> where z = 1.96 is the z-score associated with a 95% confidence level ans s the standard deviation. </em>

Replacing values

\bf n=\frac{(1.96)^2(675)^2}{(100)^2}=175

So, there should be 175 chief executive officers in a sample if we want to estimate the population mean annual salary plus bonus with a margin of error of $100,000

7 0
3 years ago
5 7/5-5 2/5-3 4/5 equal what
Katyanochek1 [597]

Answer:

-78.424

Step-by-step explanation:

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3 years ago
Pls help fast 98 points again point spree)) What is the mean absolute deviation for 9, 7, 6, 8, 7, and 5?
dezoksy [38]

Answer:

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Step-by-step explanation:

6 0
3 years ago
a student says that if 5x^2 = 20, then x must be equal to 2. do u agre or disagree with the student? justify your answer.​
inna [77]

Answer:

The student is correct.

Step-by-step explanation:

Given that 5x² = 20:

It is true that the value of x = 2 because 2² = 4, and when you multiply 4 with 5, you'll get a product of 20:

5x² = 20

5(2)² = 20

5(4) = 20

20 = 20

Therefore, the student is correct that x = 2.

7 0
2 years ago
Which is a quantitative variable?
Neporo4naja [7]

Answer:

B

Step-by-step explanation:

7 0
3 years ago
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