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Elza [17]
3 years ago
6

A sample of 100 receipts from a restaurant showed that 12 had errors. What is the 95% confidence interval for the proportion of

all receipts that have error? Note that z 0.025= 1.96 and t 0.025= 1.984 for 99 degrees of freedom?
Mathematics
1 answer:
lawyer [7]3 years ago
7 0

Answer:

0.03919

Step-by-step explanation:

You take 1.984+1.96=3.944

3.944-0.025=3.919

3.919 into the percentage =0.03919

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