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lorasvet [3.4K]
3 years ago
13

Only answer bottom one!! brainliest + 5 stars & a heart <3

Mathematics
1 answer:
Marizza181 [45]3 years ago
6 0

Answer:

$119.98

Step-by-step explanation:

She wants to know how much her membership will be so sence it $59.99 an month you times that by 2, 59.99 × 2 =119.98 and if your rounding

119.98 rounded to nearest whole number is 120

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Of 97 adults selected randomly from one city, 63 have health insurance. Create a 95% confidence interval for the true proportion
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Answer: 95% confidence interval would be (0.555,0.745).

Step-by-step explanation:

Since we have given that

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x = 63

So, we get that

\hat{p}=\dfrac{x}{n}=\dfrac{63}{97}=0.65

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so, Margin of error would be

z\times \sqrt{\dfrac{p(1-p)}{n}}\\\\=1.96\times \sqrt{\dfrac{0.65\times 0.35}{97}}\\\\=0.095

So, interval would be

p\pm 0.095\\\\=0.65\pm 0.095\\\\=(0.65-0.095,0.65+0.095)\\\\=(0.555,0.745)

Hence, 95% confidence interval would be (0.555,0.745).

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Step-by-step explanation:

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Step-by-step explanation:

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