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bekas [8.4K]
3 years ago
13

According to the U.S. Census Bureau, about 24% of residents of the United States aged 25 years or older have completed at least

4 years of college. A sample of 8 people, aged 25 years or older, is selected at random. Find the probability that exactly 5 have completed at least 4 years of college.
Mathematics
1 answer:
erastovalidia [21]3 years ago
8 0

Answer:

70%

Step-by-step explanation:

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2 years ago
9x+5y=8<br> 3x–y=4<br> what is the y-value of the solution to the system?
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Answer:

y=7.51

Step-by-step explanation:

First, you have to simplify one of the equations down

3x-y=4

y=-4+3x

Second, you insert the value of y into the other equation and then solve for x

9x+5(-4+3x)=8

9x-20+15x=8

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y=4+3(1.17)

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Which of the following does not have triangular faces?
otez555 [7]

Answer:

B. Dodecahedron

Step-by-step explanation:

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4 0
3 years ago
A study showed that the ratio of the number of people who get their news from social media to the number of people who their new
Kitty [74]

Answer: 240 people get the news from social media

Step-by-step explanation:

The ratio of the number of people who get their news from social media to the number of people who their news elsewhere is 3:7

Total ratio is the sum of the proportion of those that get their news from social media and those that got their news elsewhere.

It becomes 3+7 = 10

Total number of people in the town is 800

To determine the number of people that got their news from social media, we will divide the proportion of those that get their news from social media by the total ratio and multiply by the total number of people in the town. It becomes

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