Question: Please could you explain how I solve part D,, I need an explanation not only the answer. Thank you (b) Use the Empirical Rule to

be indicated by a minus sign.) [x(bar) s] [x(bar) + 2s] [x(bar)

Please could you explain how I solve part D,, I need an explanation not only the answer.

Thank you

3s] [ Yes 3.256 0.637 (1.982) (c) Does the estimate of a

(b) Use the Empirical Rule to calculate estimates of tolerance intervals containing 68.26 percent, 95.44 percent, and 99.73 percent of all possible bank customer waiting times. (Round your answers to 3 decimal places. Negative amounts should be indicated by a minus sign.) [x(bar) s] [x(bar) + 2s] [x(bar) 3s] [ Yes 3.256 0.637 (1.982) (c) Does the estimate of a tolerance interval containing 68.26 percent of all waiting times provide evidence that at least two-thirds of all customers will have to wait less than 9 minutes for service? because the upper limit of the 8.494 11.113] 13.732] 68.26 % interval is less than 9 minutes.

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