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UNO [17]
3 years ago
10

In the following problems, you will make an inference, or prediction, based on the sample from a population. Write two to three

complete sentences.
1. There are 200 students in the 7th grade. The students were asked to sign up for their favorite field day activity in gym class. A sample showed that 45 students signed up for tug of war, 15 students signed up for the relay race, and five students signed up for the hula hoop contest. What can you predict about field day?
Mathematics
1 answer:
Vikentia [17]3 years ago
5 0

Answer:

Hope it helps

Step-by-step explanation:

I predict that most of the students that didn't sign up yet, are going to play tug of war. The 45 student that sign up for tug of war are at 22.5%, then for the relay race( 7.5 %) and hula hoop contest is 10 %. But it could change because only 65 sign up, and there 155 students left that has not sign up.

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Write the equation of the line that passes through the points (7, -3) and (7, 0).
Akimi4 [234]

Answer:

x = 7

Step-by-step explanation:

Since the x- coordinates of the 2 points are equal, both 7 , then the line is vertical with equation

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where c is the value of the x- coordinates the line passes through, then

x = 7 ← equation of line

6 0
3 years ago
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alex41 [277]
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USPshnik [31]

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5 0
4 years ago
Simplify the following number by using the imaginary number i square root of -19
lakkis [162]

Answer:

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3 0
3 years ago
A manager at a factory finds that in a random sample of 250 watches, 3 are defective. Of the 7,500 watches from which the sample
gregori [183]

Answer: 7410 watches

Step-by-step explanation:

From the random sample of 250 watches, 3 are defective. The percentage that's defective will be:

= 3/250 × 100

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Therefore, from the sample of 7500 watches, the number that's not defective will be:

= 98.8% of 7500

= 98.8/100 × 7500

= 7410

Therefore, 7410 watches aren't defective

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3 years ago
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