3 years ago

Help please and thanks

Mathematics

1 answer:

Kruka [31]3 years ago

7 0

C: 1/2 and 7/14. They are both equal to 1/2 so they are proportional

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Two researchers, Jaime and Mariya, are each constructing confidence intervals for the proportion of a population who is left-

soldi70 [24.7K]

Answer:

Jaime's. Interval not centered around the point estimate.

Step-by-step explanation:

When constructing a confidence interval based on a point estimate, the obtained point estimate must be the central value of the interval.

For Jaime's interval

Lower bound = 0.078

Upper Bound = 0.193

$Central = \frac{0.078+0.193}{2} =0.1355$

For Mariya's interval

Lower bound = 0.051

Upper Bound = 0.189

$Central = \frac{0.051+0.189}{2} =0.12$

For a point estimate of 0.12, only Mariya's interval is adequate since Jaime's is not centered around the point estimate.

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3 years ago

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erica [24]

Answer:That will be C

Step-by-step explanation:

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3 years ago

10% of what number is 14?

alexdok [17]

140
10% is equal to 0.1

0.1 * 140 = 14

So the answer should be 140 as 10 percent of 140 is 14.

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3 years ago

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2 ways to write y divided by three in algebra expression

JulijaS [17]

Answer:

y/3. 1/3y

Step-by-step explanation:

1/3y is y/3 because 1*y=y

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There are 20 boys in Mrs. Shaw’s 3rd-period class. 11 of the boys are from Benignus. What percent of the boys came from Benignus

o-na [289]

11/20 times 100% = 55%

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3 years ago