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poizon [28]
3 years ago
13

A small stock brokerage firm wants to determine the average daily sales (in dollars) of stocks to their clients.A sample of the

sales for 36 days revealed average daily sales of $200,000. Assume that the standard deviation of the population is known to be $18,000.
a. Provide a 95% confidence interval estimate for the average daily sale.

b. Provide a 97% confidence interval estimate for the average daily sale.
Mathematics
1 answer:
Verizon [17]3 years ago
7 0

Answer:

Step-by-step explanation:

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