3 years ago

· A dead tree in the forest is decaying at a rate of 14% per year. If the tree weighs 1500 lbs

1 answer:

3 0

The exact answer would be 4.285714 years but if you rounded it would be 4.3 years

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Zina [86]

Answer:

0.0208<p<0.0592

Step-by-step explanation:

-Given the sample size is 400 and the desired proportion is 16.

-The confidence interval can be determined as follows:

$CI=\hat p\pm z\sqrt{\frac{\hat p(1-\hat p}{n}}\\\\\hat p=x/n=16/400=0.04$

#We the use this proportion to find the CI at 95%:

$CI=0.04\pm 1.96\times \sqrt{\frac{0.04(1-0.04)}{400}}\\\\=0.04\pm 0.0192\\\\=[0.0208,0.0592]$

Hence, the 95% confidence interval is 0.0208<p<0.0592

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natima [27]

There would be 11 cows and 19 chickens

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11111nata11111 [884]

Answer: -10x+6.5

Step-by-step explanation:

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3 years ago

Dvinal [7]

Answer:

c = 20

so , c >20 ...........

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3 years ago

lesya692 [45]

Number one would be -8

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3 years ago