1 answer

The manager of The Eastside Brewery in Chicago reports that on six randomly selected weekdays, the...

Question:

The manager of The Eastside Brewery in Chicago reports that on six randomly selected weekdays, the number of customers served

The manager of The Eastside Brewery in Chicago reports that on six randomly selected weekdays, the number of customers served was as follows: 120 130 1100 205 185 220 She believes that the number of customers served on weekdays follows a normal distribution. a. Construct the 95% confidence interval for the average number of customers served on weekdays. (Round answers to 2 decimal places.) Confidence interval to b. How can the margin of error reported in part a be reduced? Increase sample size, n Decrease sample size.n < Prey 3 of 14 Next > Be here to search

Answers


The statistic software output for this problem is:

One sample T confidence interval: P: Mean of variable 95% confidence interval results: Variable Sample Mean Std. Err. DF L. L

(a)

Confidence interval : 107.84 to 212.16

(b)

Increase sample size n

.

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