Which decimal number is equal to 318 ?
1 answer:
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Answer with explanation:
Mean of the sample(m) = $ 5474
Standard deviation of the sample (S)=764
Number of observation(n)=36
So, Mean Monthly Expenses of Population =$ 5405.76, which is 90% upper confidence bound for the company's mean monthly expenses.
that is:
1/2 * 2 *√10
= √10 therefore Option A is correct