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mr Goodwill [35]
3 years ago
8

What is the significance of a correlation coefficient of 0.88?

Mathematics
1 answer:
AleksandrR [38]3 years ago
6 0
The maximum positive value that the correlation coefficient can have is 1.
Thus, 0.88 is pretty close, indicating a positive slope for the regression line and points lying close to that line.


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BRAINLIEST!! If the area of ABC is D, give the expressions that complete the equation for the measure of angle C
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Answer: m= 1+3

Step-by-step explanation:

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What's 1.25 times 12
Juli2301 [7.4K]
The awnser is 15 
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There are 10 pens in a box. There are x red pens in the box. All the other pens are blue. Jack takes at random two pens from the
expeople1 [14]

The probability that one of each color is selected is \frac{10x - x^2}{45}

<h3>Probabilities</h3>

The probability of an event is the chances of the said event

The given parameters are:

  • Total  = 10
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  • Blue = 10 - x

<h3>Calculating the required probability</h3>

The probability that one of each color is selected is calculated as follows:

P = P(Blue) \times P(Red) + P(Red) \times P(Blue)

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P = \frac{10 - x}{10} \times \frac{x}{9} + \frac{x}{10} \times \frac{10 - x}{9}

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P = \frac{x(10 - x)}{90} +\frac{x(10 - x)}{90}

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P = \frac{2x(10 - x)}{90}

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Expand

P = \frac{10x - x^2}{45}

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Read more about probabilities at:

brainly.com/question/7965468

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3 years ago
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Answer:

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D. The computed mean is close to the actual mean because the difference between the means is less than 5%

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Given the distribution :

Speed(m/hr) ___ midpoint(x) ___ F ___fx

42 - 45 _______ 43.5 ________21 __ 913.5

46 - 49 _______47.5 _________15 __712.5

50 - 53 _______ 51.5 _________6 __ 309

54 - 57 _______ 55.5 ________ 4 ___ 222

58 - 61 ________59.5 ________ 2 ___ 119

The midpoint, x= sum of lower and upper boundary divided by 2

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(47.4167 - 47.3) / 47.3 * 100% = 0.24%

6 0
3 years ago
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