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umka21 [38]
2 years ago
12

PLEASE HELP EASY AS SOON AS POSSIBLE 25 PTS

Mathematics
1 answer:
Korolek [52]2 years ago
7 0

Answer:

P(not blue) = 3/5

Step-by-step explanation:

There are 4 blue shirts, 2 brown shirts , 2 green shirts, 1 red shirt and 1 white shirt for a total of 10 shirts

How many shirts are not blue?

2 brown shirts , 2 green shirts, 1 red shirt and 1 white shirt for a total of 6 shirts  

P( not a blue shirt) = not a blue shirt/total

                               = 6/10

                                =3/5

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netineya [11]

THIS IS THE COMPLETE QUESTION BELOW;

The weekly salaries of sociologists in the United States are normally distributed and have a known population standard deviation of 425 dollars and an unknown population mean. A random sample of 22 sociologists is taken and gives a sample mean of 1520 dollars.

Find the margin of error for the confidence interval for the population mean with a 98% confidence level.

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You may use a calculator or the common z values above. Round the final answer to two decimal places.

Answer

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standard deviation of 425

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CHECK THE ATTACHMENT FOR DETAILED EXPLANATION

4 0
3 years ago
Which of the following is not equivalent
dsp73
90/139 is the only fraction not equivalent to 45/70.

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Notice how all of these get you the same number. However, when you divide 90 by 137, you get 0.64748, which is not the same as the others. Therefore, 90/137 is the fraction that is not equivalent to 45/70.

6 0
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3 years ago
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