Which is the best example of the seniority rule?
2 answers:
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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 :-
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 .
Explanation:
The computation is shown below:
Particulars Cost Per unit in ($)
Direct Materials $6
Direct Labor $2
Variable Overhead $1.5
Fixed Cost ($77000 ÷ 35,000 units) $2.2
Total Cost per unit $11.7
So,
1. He will buy the product as it is a saving of $0.7 ($11.7 - $11)
2) The most price willing to pay is $11.7
3) And, There is increase in income by $24,500 by multiply the 35,000 units with the $0.7 per unit in case of buying the part
