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3 years ago

help!! If they make the length of the short leg of the triangle in the figure 3 in. long how long will they make the long leg?

Mathematics

1 answer:

antoniya [11.8K]3 years ago

3 0

Answer:

I may not be right but I believe it would be 147ft

Step-by-step explanation:

if you make 90 into a 3 then you will have 87 so I would think you just add 87 to 60.

AGAIN I might not be right

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Step-by-step explanation:

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3 years ago

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2 years ago

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3 years ago

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Use the sample data and confidence level to construct the confidence interval estimate of the population proportion p. n equals

Alekssandra [29.7K]

Answer:

(0.767,0.833)

Step-by-step explanation:

The 95% confidence interval for population proportion p can be computed as

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

The z-value associated with 95% confidence level is 1.96.

whereas p=x/n

We are given that x=440 and n=550.

p=440/550=0.8

$0.8-1.96\sqrt{\frac{0.8(0.2)}{550} }$

$0.8-1.96\sqrt{\frac{0.16}{550} }$

$0.8-1.96\sqrt{0.00029 }$

$0.8-1.96(0.01706)$

$0.8-0.03343$

$0.76657$

Thus, the required confidence interval is

0.767<P<0.833 (rounded to 3 decimal places)

Hence, we are 95% confident that our true population proportion will lie in the interval (0.767,0.833)

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2 years ago