3 years ago

Help wanted really don't k

Mathematics

1 answer:

arlik [135]3 years ago

4 0

Pardon but which question do you need help in?

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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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2 years ago

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Ted used a $150 check to pay for some books. Where in his checkbook register should he write this amount? in the PAYMENT or WITH

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