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il63 [147K]
3 years ago
7

A scatter plot containing the point (10, 7) has the regression equation yˆ=−x−3 .

Mathematics
2 answers:
VLD [36.1K]3 years ago
4 0
20 is the answer ihope this helllllllllllps
QveST [7]3 years ago
3 0

Answer:

e=20

Step-by-step explanation:

Given there is a scatter plot.

A point on it is (10,7)

The regression line y' = -x-3

We have regression line giving estimate for given value of x

When x=10, actual value of y

= y observed = 7 (given)

As per regression line estimate

y = -10-x = -13

Difference between y estimate and actual y = 7-(-13)

=20

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Step-by-step explanation:

4 0
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Step-by-step explanation:

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3 years ago
Alvin takes pictures with his smartphone. Of the pictures 5/6 are animals. 3/4 of the animals are dogs. What fraction of the pic
ollegr [7]

Answer:

\dfrac{5}{8}

Step-by-step explanation:

Alvin takes pictures with his smartphone.

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\dfrac{5}{6} \times \dfrac{3}{4} =\dfrac{15}{24} =\dfrac{5}{8}

<u>Another way</u> to solve this question:

Let the number of all pictures be 24 (divisible by both 4 and 6).

Then the number of pictures with animals is

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and the number of pictures with dogs is

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Hence, the fraction of pictures with dogs of all pictures is

\dfrac{15}{24}=\dfrac{5}{8}

8 0
3 years ago
Read 2 more answers
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