The closest to the minimum number of consumers needed to obtain the estimate with the desired precision is (b) 271
Explanation:
When the prior estimate of population proportion is not given , then the formula to find the sample size is given by :-
![n=0.25(\frac{z^{*} }{E} )^{2}](https://tex.z-dn.net/?f=n%3D0.25%28%5Cfrac%7Bz%5E%7B%2A%7D%20%7D%7BE%7D%20%29%5E%7B2%7D)
where E = Margin of error.
z* = Critical z-value.
As per given , we have
E = 5%=0.05
Confidence level = 90%
The critical value of z at 90% is 1.645 (By z-table)
Put all values in the formula , we get
n=0.25(1.645/0.05)²
n=0.25(32.9)²
n=270.6025≈271
Thus, the minimum sample size needed = 271
Hence , the correct answer is 271 .
Options for this question include:
a. Tripled
b. Remained the same
c. Doubled
d. Declined
___________________________________________________________
World trade has been on the rise in the past decade and as a result, the dollar value of world trade has c. Doubled.
Thanks to more integration, less restrictive government policy, a rise in population and standards of living, world trade has increase over the past couple of decades such that:
- Trade in goods has risen from $10 trillion in 2005 to $18.8 trillion in 2019
- Trade in services has risen from $2.5 trillion in 2005 to $6 trillion in 2019
When looking at the trade of goods, one can see that trade has almost doubled and in the case of services, close to triple.
We can therefore conclude that world trade has doubled in the past decade.
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Answer:
The dividend the company just paid is $3.53
Explanation:
The solution to the problem is given as follows.
$48.20 = D1/(.1120 − .0360)
$48.20= D1(0.076)
Making D1 the subject of formula we have.
D1 = $3.66
D0 = $3.66/(1 + .0360)
D0 = $3.53
Answer:
Return on Investment = 17%
Explanation:
Return on Investment = Net income from investment / Investment opportunity * 100
Where Net income from investment = (Sales * Contribution margin ratio) - Fixed expenses
Net income = ($1,530,000 * 30%) - $306,000
Net income = $459,000 - $306,000
Net income = $153,000
Return on Investment = $153,000 / $900,000 * 100
Return on Investment = 17%
Other part of question attached
Answer and Explanation:
Answer and explanation attached