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NNADVOKAT [17]
3 years ago
8

When conducting an experiment, is it better to include 10 students or 30

Mathematics
1 answer:
emmainna [20.7K]3 years ago
8 0

Answer:

30

Step-by-step explanation:

It is better to include 30 students for the sample. When conducting an experiment it is always best to have the largest sample size possible. The larger the sample size the more data that will be gathered and analyzed, which ultimately leads to much more precise results. Mainly, since you have more results to compare with one another. Therefore, providing a smaller margin of error while also allowing for a better chance of catching errors as opposed to smaller data/sample sizes.

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Jessica wrote a computer program to create colored shapes. The shapes are either squares or circles and both are equally likely.
Alik [6]

Answer: 16 2/3%

Step-by-step explanation:

Given that:

Shape are either square or circle with both equally likely :

Hence,

P(square) = 1/2 ; P(circle) = 1/2

Color are either blue, red or green with the three equally likely ;

P(red) = 1/3 ; P(green) = 1/3 ; P(blue) = 1/3

Probability of creating a green circle :

Independent probability

P(green n circle) = p(green) * p(circle)

P(green n circle) = 1/3 * 1/2

P(green n circle) = 1/6

= 0.16666

(0.16666 * 100%) = 16.6666%

= 16 2/3%

7 0
3 years ago
Please help!!! I will give Brainliest!!!! :_D<br><br><br> Write an equation for each situation!
dolphi86 [110]

Just remember that 100% = 1.00 !

y = .78x

y = 108.5x

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3 0
2 years ago
PLEASE LOOK AT THE PHOTO !Number 32 please help me and thank you<br> ❤️❤️❤️
Musya8 [376]

Answer: 4 1/4 hours

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3 0
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Which digit is in the thousandths place in the number 48.5302
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Answer:

Step-by-step explanation:

3 0
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Read 2 more answers
Write an equation in slope-intercept form for the line that is parallel to the line y = -4x + 5 and that passes through the give
harkovskaia [24]
Since we know the slope intercept form is y=mx+b and that parallel lines have the same slope we know that the slope in our equation is going to be -4
we can plug in the point (-8,5) into y= -4x+b
in doing that we get 5= -4(-8)+b.
5=-4(-8)+b
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subtract 32 from both sides to find b the (y-intercept)
5-32=-27
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bc the slope is -4 and the y-intercept is -27 the equation of the line that's parallel to y=-4x+5 and passes through the given point (-8,5) is y=-4x-27
3 0
3 years ago
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