3 years ago

Queen, Inc., has a total debt ratio of 26.

Mathematics

2 answers:

kherson [118]3 years ago

7 0

B is the correct answer

never [62]3 years ago

6 0

B.what is debt equity ratio

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Step-by-step explanation:

For any triangle, you only need to know 3 pieces of information out of the 6 angles and sides to solve for the rest of the triangle.

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In a study of the accuracy of fast food drive-through orders, one restaurant had 34 orders that were not accurate among 391 ord

Nady [450]

Answer: Yes , the accuracy rate appear to be acceptable .

Step-by-step explanation:

Let p be the population proportion of the orders that were not accurate .

Then according to the claim we have ,

$H_0:p=0.10\\\\ H_a:p\neq0.10$

Since the alternative hypothesis is two-tailed so the hypothesis test is a two-tailed test.

For sample ,

n = 391

Proportion of the orders that were not accurate = $\hat{p}=\dfrac{34}{391}\approx0.087$

Test statistics for population proportion :-

$z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}\\\\=\dfrac{0.087-0.10}{\sqrt{\dfrac{0.10(0.90)}{391}}}\approx-0.86$

By using the standard normal distribution table,

The p-value : $2(z>-0.86)=0.389789\approx0.39$

Since the p-value is greater that the significance level (0.05), so we do not reject the null hypothesis.

Hence, we conclude that the accuracy rate appear to be acceptable.

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3 years ago