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Serga [27]
3 years ago
5

Your insurance premium is $3400 annually. Your employer pays 80% of the premium. How much will you pay annually?

Mathematics
2 answers:
Advocard [28]3 years ago
8 0
First, find the amount your employer will pay.

We need to 80% of 3400. First, convert the decimal into a percent. To do this, move the % sign two places the left and make it into a decimal point.

80% = 0.8

Now multiply 3400 and 0.8 together.

0.8 * 3400 = 2720

Now how much will you pay? Well, to find the answer, simply subtract 2720 from 3400.

3400 - 2720 = 680

So, you will pay $680.
pochemuha3 years ago
4 0
I think it is 680 if not i am sorry
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Answer:

There is a significant difference between the two proportions.

Step-by-step explanation:

The (1 - <em>α</em>)% confidence interval for difference between population proportions is:

CI=(\hat p_{1}-\hat p_{2})\pm z_{\alpha/2}\times\sqrt{\frac{\hat p_{1}(1-\hat p_{1})}{n_{1}}+\frac{\hat p_{2}(1-\hat p_{2})}{n_{2}}}

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CI=(\hat p_{1}-\hat p_{2})\pm z_{\alpha/2}\times\sqrt{\frac{\hat p_{1}(1-\hat p_{1})}{n_{1}}+\frac{\hat p_{2}(1-\hat p_{2})}{n_{2}}}

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There will be no difference between the two proportions if the 90% confidence interval consists of 0.

But the 90% confidence interval does not consists of 0.

Thus, there is a significant difference between the two proportions.

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