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lesantik [10]
3 years ago
8

if 3 ounces of powdered milk make 1 quart of milk, use a proportion to find how many quarts of milk can be made from 20 ounces o

f powdered milk. (please show the formula used to get this answer. thank you in advance!!!!)
Mathematics
1 answer:
Ymorist [56]3 years ago
5 0
The answer is 6.666 repeating because there are 20 ounces overall you would divide by three to get your answer the formula would be 20÷3=6.6
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When n=343 college students are randomly selected and surveyed, it is found that x=110 own a car. Find a 99% confidence interval
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Answer:

The margin of error will be "0.65". A further explanation is provided below.

Step-by-step explanation:

The given values are:

n = 343

x = 110

At 99% confidence level,

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  =1-0.99

  =0.01

then,

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

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or,

Z_{\frac{\alpha}{2} }=Z_{0.005}

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Now,

The point estimate will be:

⇒  \hat{P}=\frac{x}{n}

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or,

⇒  1-\hat{P}=1-0.321

⇒            =0.679

The margin of error will be:

⇒  E=Z_{\frac{\alpha}{2} }\times \sqrt (\frac{(\hat{P}\times (1 - \hat{P})) }{n} )

On substituting the above values, we get

⇒      =2.576\times \sqrt{\frac{0.321\times 0.679}{343} }

⇒      =2.576\times \sqrt{\frac{0.217959}{343} }

⇒      =0.065

hence,

⇒  \hat{P}-E

⇒  0.321-0.065

⇒  0.256,0.386

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Step-by-step explanation:

The low temperature on Monday was 6 degrees warmer than Sunday's low of -9°F. This means that the temperature on Monday would be

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The low temperature on Tuesday was 3 degrees warmer than Monday's low temperature. This means that the low temperature on Tuesday would be

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Step-by-step explanation:

here's the answer to your question

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