Answer: product platform
Explanation: A product platform could be defined as a collection elements or specifications which may include design, pattern, formular, component or a certain technology adopted for building a certain product series. A product platform is aimed at increasing the speed and rate at which a certain product is produced, added flexibility in situations where little adjustment is required, cost effectiveness as it requures little upgrade in making new products and lessens developmental cost.
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Conducting monetary policy
Supervising and regulating depository institutions
Maintaining the stability of the financial system
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 .
