2 years ago

URGENT. PLEASE HELP WITH PROBLEM WITH EXPLANATION!!!

Mathematics

1 answer:

IRINA_888 [86]2 years ago

3 0

Answer:

D is the answer of the question

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In a survey of 2957 adults, 1455 say hey have started paying bills online in the least year construct a 99% confidence interval

Vikki [24]

Answer: 0.49 ± 0.0237

Step-by-step explanation: A interval of a 99% confidence interval for the population proportion can be found by:

$p_{hat}$ ± z. $\sqrt{\frac{p_{hat}(1-p_{hat})}{n} }$

$p_{hat}$ is the proportion:

$p_{hat}$ = $\frac{1455}{2957}$

$p_{hat}$ = 0.49

For a 99% confidence interval, z = 2.576:

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What is the value of 4p -2 , when p=8 ?

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Answer:

Step-by-step explanation:

4(8)-2=32-2=30

Hope it helps! :)

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