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lord [1]
2 years ago
8

Name the quadrant in which the point (x, y) lies.

Mathematics
1 answer:
Contact [7]2 years ago
8 0
<span>x > 0 and y < 0
so x will be positive and y will be negative

Answer: </span><span>Quadrant 4


P.S. There is no </span><span>Quadrant 5</span>
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3 years ago
How many commuters must be randomly selected to estimate the mean driving time of Chicago commuters? We want 95% confidence that
zimovet [89]

Answer:

61 commuters must be randomly selected to estimate the mean driving time of Chicago commuters.                

Step-by-step explanation:

Given : We want 95% confidence that the sample mean is within 3 minutes of the population mean, and the population standard deviation is known to be 12 minutes.

To find : How many commuters must be randomly selected to estimate the mean driving time of Chicago commuters?

Solution :

At 95% confidence the z-value is z=1.96

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2 years ago
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