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ella [17]
3 years ago
10

The sum of two consecutive integers is 471. what is the equation

Mathematics
1 answer:
Naddik [55]3 years ago
6 0

Answer:

x+(x+1)=471

Step-by-step explanation:

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Answer:

The 95% confidence interval for the population mean amount spent on groceries by Connecticut families is ($73.20, $280.21).

Step-by-step explanation:

The data for the amount of money spent weekly on groceries is as follows:

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Since the population standard deviation is not known, use a <em>t</em> confidence interval.

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t_{\alpha/2, (n-1)}=t_{0.05/2, (10-1)}=t_{0.025, 9}=2.262

*Use a <em>t</em>-table.

Compute the 95% confidence interval for the population mean amount spent on groceries by Connecticut families as follows:

CI=\bar x\pm t_{\alpha/2, (n-1)}\cdot\ \frac{s}{\sqrt{n}}

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Thus, the 95% confidence interval for the population mean amount spent on groceries by Connecticut families is ($73.20, $280.21).

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