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Grace [21]
4 years ago
11

Find the value of a.

Mathematics
1 answer:
baherus [9]4 years ago
7 0

7.389857915

used a calculator

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Given : The proportion of items in a population that possess a specific attribute is known to be 0.45.

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Sample proportion of items in a population that possess a specific attribute : \hat{p}=0.48

Now, the formula to find the sampling error :

\text{Sampling error} =\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

\text{Sampling error} =\sqrt{\dfrac{0.48(1-0.48)}{100}}

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Mary is baking cookies, and the recipe calls for 1 1/2 cups of sugar. If she has 6 1/3 cups of sugar left after she bakes the co
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