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shtirl [24]
3 years ago
15

A shopper buys notebooks for $15, what is the total cost if the tax is 8%

Mathematics
1 answer:
zloy xaker [14]3 years ago
4 0

Answer:

16.2$

Step-by-step explanation:

Price of the notebooks: 15$

Tax Rate: 8%

Tax: 15$ * 8% = 1.2$

Price after Tax: 15$ + 1.2$ = 16.2$

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3 years ago
A student researcher compares the heights of men and women from the student body of a certain college in order to estimate the d
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Answer:

(0.6613, 8.3387)

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s_{p}^{2} = \frac{(n_{1}-1)s_{1}^{2}+(n_{2}-1)s_{2}^{2}}{n_{1}+n_{2}-2} = \frac{(15-1)(3.09)^{2}+(7-1)(2.58)^{2}}{15+7-2} = 8.68

The 99% confidence interval for the true mean difference between the mean height of the men and the mean height of the women is given by (if the samples are independent)

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(69.4-64.9)\pm t_{0.005}2.946\sqrt{\frac{1}{15}+\frac{1}{7}}

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What is the missing reason in step 3? A 2-column table with 6 rows is shown. Column 1 is labeled Statements with entries measure
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B

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