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Korvikt [17]
1 year ago
8

What does the correlation coefficient of -0.975 on a linear regression indicate?

Mathematics
1 answer:
zaharov [31]1 year ago
6 0

A correlation coefficient of -0.975 on a linear regression indicates: D. One variable has a strong relationship with the other.

<h3>What is Correlation Coefficient?</h3>

Correlation coefficient, r, is a measure of how strong the relationship between two variables is.

A correlation coefficient, r, that is closer to 1 or -1 signifies a strong relationship between two variables and vice versa.

Therefore, a correlation coefficient of -0.975 on a linear regression indicates: D. One variable has a strong relationship with the other.

Learn more about strong relationship on:

brainly.com/question/15552860

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(2.5 points) The probability that an airplane accident which is due to structural failure is diagnosed correctly is 0.85 and the
Nikitich [7]

Answer: 0.51

Step-by-step explanation:

This is a conditional probability. The first event is the airplane accident being caused by structural failure. The probability of it being due to structural failure is 0.3 and the probability of it not being due to structural failure is 0.7. The second event involves the diagnosis of the event. If a plane fails due to structural failure, the probability that it will be diagnosed and the results will say it was due to structural failure is 0.85, and the probability that the diagnosis is unable to identify that it was because of a structural failure is 0.15. If the plane were to fail as a result of some other reason aside structural failure, the probability that the diagnosis will show that it was as a result of structural failure is 0.35 and the probability of the diagnosis showing that is is not as a result of structural failure is 0.65. To find the probability that an airplane failed due to structural failure given that it was diagnosed that it failed due to some malfunction, this is the equation;

p = (probability of plane failing and diagnosis reporting that the failure was due to structural failure)/ (probability of diagnosis reporting that failure was due to structural failure)

p = (0.3*0.85)/((0.3*0.85) + (0.7*0.35))

p = 0.51

4 0
2 years ago
Kevin counts 75 chicks in the hen house. He also sees more chicks outside the hen house. How can Kevin count to find how many ch
stellarik [79]

What we know:

we know that there are <u>75</u> chicks in the hen house, we also know that in all there are 108 chicks

What we need to find:

we need to find out how many chicks were outside

Answer equation:

108 - 75 = 33

8 0
3 years ago
The cost of renting a jumping castle includes a fixed charge of $325 for setup and delivery, and a variable charge of $175 for e
allochka39001 [22]

Answer:

the range is 5-8 hours

Step-by-step explanation:

325+175t=1200

175t=875

875/175

t=5

325+175t=1725

175t=1400

1400/175

t=8

8 0
3 years ago
Which of the following tables represents a quadratic function ? Explain how you know .
Aliun [14]
B, the first differences are not the same , that proves it is not linear. The second set of differences are the same this shows it is a quadratic function.

4 0
2 years ago
Which of the equations below could be the equation of this parabola? A y = 1/6x2 B. x = -1/6y2 C. x = 1/6y2 D. y = -1/6x2
Schach [20]

Answer:

C

Step-by-step explanation:

assuming the 2s are all squares

just plot a point and it's negative

7 0
3 years ago
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