3 years ago

Find the surface area of the figure, with a height of 2 inches.

Mathematics

1 answer:

Vinil7 [7]3 years ago

8 0

I think 128. <span>Surface Area = 2×(2×2 + 2×15 + 2×15) = </span><span>128 </span>

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Answer:

(0.084,0.396)

Step-by-step explanation:

The 99% confidence interval for the proportion of customers who use debit card monthly can be constructed as

$p-z_{\frac{\alpha }{2}} \sqrt{\frac{pq}{n} }$

$p=\frac{x}{n}$

$p=\frac{12}{50}$

$p=0.24$

$q=1-p=1-0.24=0.76$

$\frac{\alpha }{2} =\frac{\0.01 }{2}=0.005$

$p-z_{\frac{\alpha }{2}} \sqrt{\frac{pq}{n} }$

$0.24-z_{0.005} \sqrt{\frac{0.24*0.76}{50} }$

$0.24-2.58(0.0604)$

$0.24-0.155832$

By rounding to three decimal places we get,

$0.084$

The 99% confidence interval for the proportion of customers who use debit card monthly is (0.084,0.396).

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3 years ago

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3 years ago

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Step-by-step explanation:

divide by 0.15, and this is x+3000

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3 years ago

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The answer is 5 days!

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3 years ago