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wel
4 years ago
13

In a simple random sample of 800 people age 20 and over in a certain country, the proportion with a certain disease was found to

be 0.165 (or 16.5%). Complete parts (a) through (c) below. a. What is the standard error of the estimate of the proportion of all people in the country age 20 and over with the disease? (Round to four decimal places as needed.) b. Find the margin of error, using a 95% confidence level, for estimating this proportion. m=______(round to three decimal places as? needed.)c. Report the 95% confidence interval for the proportion of all Americans age 20 and over with diabetes.

Business
1 answer:
anygoal [31]4 years ago
6 0

Answer and Explanation:

Please find attachment

I'm calculating standard error we used the formula standard deviation/√number of samples. Standard deviation is not known and so it was first calculated

Margin of error and confidence intervals were also calculated using their formulas

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Suppose that commodity prices across the economy begin to fall and consumers and firms begin to expect a lower rate of future in
butalik [34]

Answer:

B) The SRAS curve will shift to the right, and the short‐run Phillips curve will shift downward.

Explanation:

When the price of key inputs decreases, then the short-run aggregate supply (SRAS) curve shifts to the right, generally resulting in higher production levels (higher supply) due to lower production costs. On the other hand, when the price of key inputs increases, then the SRAS curve shifts to the left.

When inflation expectations decrease or SRAS curve shifts to the right, the short-run Phillips curve shifts to the left.

8 0
4 years ago
The amount of money deposited 25 years ago at 5% interest that would now provide a perpetual payment of $15,000 per year is clos
Mademuasel [1]
The amount of money needed now to begin the perpetual payments is
P = A/I =15,000÷0.05=300,000

The amount that would need to have been deposited 25 years ago is
P=A÷(1+r)^t
P=300,000÷(1+0.05)^(25)
P=88,590.83
6 0
4 years ago
Why do some products have to wait for government standards HELP PLEASE (food or any products)
SVEN [57.7K]

Answer:

because they have to make sure it is safe for the people to eat (for food)

so that the product's name won't be damaged and is safe to use (for products)

Explanation:

3 0
3 years ago
Because it is Select one: a. neither excludable nor rival in consumption, a tornado siren is a public good. b. excludable but no
olga2289 [7]

Answer:

Because it is (a.) neither excludable nor rival in consumption, a tornado siren is a public good.

Explanation:

A tornado siren is an outdoor warning system that alert the public about an impending tornado danger, and thus expects the people to be prepared for an emergency, tune in to news for further directives or immediately seek safer shelter from impending tornado.  

It does not exclude anyone for any reason and neither does it creates rivalry in consumption for the public usage. It is a straight forward alert that optimizes safety for all and sundry.

6 0
3 years ago
Read 2 more answers
he following information applies to the questions displayed below.] Raphael Corporation’s common stock is currently selling on a
arsen [322]

Answer:

The correct answer is $151 per share.

Explanation:

According to the scenario, the computation of the given data are as follows:

Currently selling price = $151 per share

So, we can calculate the Current market value by using following formula:

Current market value (price) of stock = Currently selling price of stock

As, Currently selling price of stock is already given.

Than, Current market value (price) of stock = $151 per share.

4 0
3 years ago
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