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brilliants [131]
2 years ago
14

I need help studying for a quiz?

Mathematics
1 answer:
Slav-nsk [51]2 years ago
6 0

Answer:

what is the question I ask

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51. q(x) = 2 * (x - 1) ^ 2 + 5 , what is the value of q(- 3) ?
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8 0
3 years ago
The claim is that the proportion of adults who smoked a cigarette in the past week is less than 0.30​, and the sample statistics
IrinaK [193]

Answer: 0.84

Step-by-step explanation:

let p be the population proportion of adults who smoked a cigarette in the past week.

As per given , we have

H_a: p

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The test statistic for proportion is given by :-

z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}

Substitute all the values , we get

z=\dfrac{0.31-0.30}{\sqrt{\dfrac{0.30(1-0.30)}{1491}}}\\\\=\dfrac{0.01}{\sqrt{0.000141}}\\\\=\dfrac{0.01}{0.011874342087}=0.84261497731\approx0.84

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6 0
3 years ago
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