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Asked Nov 9, 2019

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#11. Compute the following problem using the estimation of proportions tab in Excel. Write your answer in inequality notation, in the p +- e notation and graph the interval.

x= 12

n= 33

c-level: 0.90

Step 1

The formula for the 90% confidence interval for the proportion is given below:

Step 2

The sample proportion can be obtained as follows:

Thus, the sample proportion is 0.36.

Step 3

The standard error of the propor...

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