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Marat540 [252]
3 years ago
15

2. Wandabaked168cookies,packagedtheminboxesof12,andsoldeachboxfor $1.20. How many boxes of 12 can be packaged if there are 168 c

ookies? What was the total amount of money that Wanda made for all of the boxes sold?
Mathematics
1 answer:
notka56 [123]3 years ago
6 0
$16.80 because 12*14 equals 168 then you take 14 times 1.20
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Answer: The point estimate of the population mean is <u>23</u>. The margin of error for the confidence interval is <u>2</u>.

Step-by-step explanation:

The confidence interval for the mean is of the form is given by :-

\overline{x}-\text{error}\leq\mu\leq\overline{x}+\text{error}

Given : Lower bound: \overline{x}-\text{error}=21​

Upper bound :\overline{x}+\text{error}= 25

Then ,the sum of lower and upper bound will be :-

2\overline{x}=21+25=46\\\\\Rightarrow\ \overline{x}=23

Since \overline{x}-\text{error}=21​

\Rightarrow\ \text{Error}=\overline{x}-21=23-21=2

Hence, The point estimate of the population mean is <u>23</u>. The margin of error for the confidence interval is <u>2</u>.

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irakobra [83]
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3 years ago
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