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2 answers:
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We can use the point-slope equation:
m, the slope, is 3/4:
To find b, we plug in the point (4,1/3):
Therefore, the point-slope equation is
Now we have to see which answer matches.
Since this is not the same, we try the next one.
This is the same, so this is the answer. We should still double-check the other answers.
This one is not equivalent.
This one also does not work.
The answer is the second one:
m, the slope, is 3/4:
To find b, we plug in the point (4,1/3):
Therefore, the point-slope equation is
Now we have to see which answer matches.
Since this is not the same, we try the next one.
This is the same, so this is the answer. We should still double-check the other answers.
This one is not equivalent.
This one also does not work.
The answer is the second one:
Answer:
For this case we know that the random variable of interest would be X and the distribution for X is given by:
And by properties of this distribution the expected value for this case is:
And the variance :
Step-by-step explanation:
For this case we know that the random variable of interest would be X and the distribution for X is given by:
And by properties of this the expected value for this case is:
And the variance :
Answer is provided in the picture uploaded with steps
