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Ainat [17]
3 years ago
8

Determine whether the study depicts an observational study or a designed experiment. A researcher obtained a random sample of 10

0 smokers and a random sample of 100 nonsmokers. After interviewing all 200 participants in the study, the researcher compared the rate of depression among the smokers with the rate of depression among nonsmokers. A. Observational study. B. Designed experiment
Business
1 answer:
Anastasy [175]3 years ago
5 0

Answer:

A. Observational study

Explanation:

An observational study measures the characteristics of a population by studying individuals in a sample, but does not attempt to manipulate or influence the variables of interest.

A designed experiment applies a treatment to individuals (referred to as experimental units or subjects) and attempts to isolate the effects of the treatment on a response variable.

Hence, we can see that proposed study is observational.

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Answer:

5%

Explanation:

Data provided in the question:

Present value of the company, PV = $300,000

Current Profits, π₀ = $11,000

Interest rate, i = 9% = 0.09

Now,          

we know,            

PV = \pi_0(\frac{1+i}{1-g})

here,

g is the growth rate        

on rearranging, we get          

g =  i - \frac{(1+i)\pi_0}{PV}

on substituting the respective values, we get

g = 0.09 - \frac{(1+0.09)\times11,000}{300,000}

or  

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7 0
3 years ago
A firm uses exponential smoothing method to forecast demand. In period 10, the forecast was 90 and the actual demand was 100. If
drek231 [11]

Answer:

c. 99

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Forecast for period 11=99

Therefore the forecast for period 11 is 99

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The internal rate of return (IRR) is that discount rate that equates the present value of the cash outflows (or costs) with the
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True

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ram.asked me not to stand

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(A rectangular prism with measurements 3 centimeters, 10 centimeters, 6 centimeters.)

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a nonrectangular parallelogram with two 10-cm sides and two 6-cm sides
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