2 years ago

Anna is trying to figure out how much her 10-mile taxi ride is going to cost. It costs $5 to be picked up by the taxi, and

Mathematics

1 answer:

Colt1911 [192]2 years ago

3 0

Answer:

5+2(10)

Step-by-step explanation:

5+2(10)

5+ 20

$25 for 10 miles

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A bank sampled its customers to determine the proportion of customers who use their debit card at least once each month. A sampl

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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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2 years ago

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Aneli [31]

Answer:

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3 years ago

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You need to cover the playground of a child development center with mulch. The playground is 125 feet long and 60 feet wide. You

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3 years ago

Im so confused on this please help if you can..

Archy [21]

It's been a while since I have done these kind of questions, but I would say a 180 transformation would be my best answer. Hope this helps a bit!

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Step-by-step explanation:

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