Mathematics, 31.07.2021 01:30 sheram2010
Suppose you believe that the true average daily trade volume for General Electric stock is 49,829,719 shares and a standard deviation of 21,059,637 shares. Considering a 95% confidence level: What is the minimum required sample size if you would like your sampling error to be limited to 1,000,000 shares
Answers: 2
level, that is the subtraction of 1 by the confidence interval divided by 2. So:
.
, so Z = 1.96.
is the standard deviation of the population and n is the size of the sample.
, so:
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Suppose you believe that the true average daily trade volume for General Electric stock is 49,829,71...
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