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zheka24 [161]
3 years ago
13

True or false, areas under the standard normal curve cannot be negative, whereas z-scores can be positive or negative.

Mathematics
1 answer:
Veseljchak [2.6K]3 years ago
5 0

Answer:

True.

Step-by-step explanation:

We have been given a statement. We are asked to determine the given statement is true or false.

Statement: Areas under the standard normal curve cannot be negative, whereas z-scores can be positive or negative.

We know that area under the standard normal curve is equal to 1, so area under normal curve cannot be negative.

We know that a z-score represents that a data point is how many standard deviation above or below mean.

When a data point is less than mean, then z-score will be negative and when a data point is greater than mean, the z-score will be positive.

Therefore, our given statement is true.

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Answer:

15.78947% increase

Step-by-step explanation:

First: work out the difference (increase) between the two numbers you are comparing.

Increase = New Number - Original Number

Then:  divide the increase by the original number and multiply the answer by 100.

% increase = Increase ÷ Original Number × 100

7 0
3 years ago
What is 2 1/2 divided by 1/3 {pls hurry the teacher is not letting us use brainly}
katovenus [111]

Answer:

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Step-by-step explanation:

2 1/2 ÷ 1/3

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(2*1+2)/2 ÷ 1/3

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Copy dot flip

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Change to a mixed number

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3 years ago
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7 0
3 years ago
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What is the slope of the line through (2,5) and (-1,2)?
Luden [163]

Answer:

The slope of the line is m = 1

Step-by-step explanation:

Slope is essentially change in height over change in horizontal distance, and is often referred to as "rise over run." It has applications in gradients in geography as well as civil engineering, such as the building of roads. In the case of a road the "rise" is the change in altitude, while the "run" is the difference in distance between two fixed points, as long as the distance for the measurement is not large enough that the earth's curvature should be considered as a factor. The slope is represented mathematically as:

m = y2-y1 / x2-x1

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m = -3 / -3

m = 1

X1 is 2

Y1 is 5

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6 0
3 years ago
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H=6y/5y^(6) -6

hope this helps!!!!!!!!
3 0
3 years ago
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