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2 years ago

9

I accidentally click on the wrong subscriptions like I want the 1 month but I got the 12 months. Is there anyway I could contact

them at all?

1 answer:

Yanka [14]2 years ago

4 0

Answer:

Step-by-step explanation:

Scroll down to the bottom of the screen and click on contact us

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A boat is heading due north at 15 mph. The current is flowing southeast at 5 mph. Find the actual bearing and speed of the ship

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Answer:

3 Mph

Step-by-step explanation:

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2 years ago

If tax revenues are not enough to cover budgeted expenses, the US government must

azamat

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sell stock

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2 years ago

What is bigger 2/15 or 4/25

9966 [12]

4/25.Example say if it was a tatol of 25pizzas slice you would have to give 4to a friend.Cause 4is a bigger #of 2 .Like 25is a bigger number then 15!

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2 years ago

The estimate of the population proportion should be within plus or minus 0.02, with a 90% level of confidence. The best estimate

Rudiy27

Answer:

The sample size required is 910.

Step-by-step explanation:

The confidence interval for population proportion is:

$CI=\hat p\pm z_{ \alpha /2}\sqrt{\frac{\hat p(1-\hat p)}{n} }$

The margin of error is:

$MOE=z_{ \alpha /2}\sqrt{\frac{\hat p(1-\hat p)}{n} }$

Given:

$\hat p = 0.16\\MOE= 0.02\\Confidence\ level =0.90$

The critical value of <em>z</em> for 90% confidence level is:

$z_{\alpha /2}=z_{0.10/2}=z_{0.05}=1.645$ *Use a standard normal table.

Compute the sample size required as follows:

$MOE=z_{ \alpha /2}\sqrt{\frac{\hat p(1-\hat p)}{n} }\\0.02=1.645\times \sqrt{\frac{0.16(1-0.16)}{n} }\\n=\frac{(1.645)^{2}\times 0.16\times (1-0.16)}{(0.02)^{2}} \\=909.2244\\\approx910$

Thus, the sample size required is 910.

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2 years ago

Which of the following graphs represents the solution to the inequality (x−2)−2≥−6 ?

sertanlavr [38]

Can u be more specific on the options? Cuz there’s nothing for ABCD.

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2 years ago