A bade magazine rotney checks te drive-through service times of fast-food restau

Question

A bade magazine rotney checks te drive-through service times of fast-food restaurants A 00% confidence interval that results from examing 610 customers in gna ast-food chan's drivo-trough has a lower bound of 167 5 seconds ?nd an upper bound of 170 7 50conds what does ths rean? Choose the cotmect answer below OA. One can be % confident tht the mean drive rough servicetime of ths fast od chain is between seconds and seconds There is 8 L % probability that the meen dwenough service tme of this tasttood chain bewees I secon The meen drretrough service time otthSfast.food chain is! seconds E%ofthe time One can be % confident tette mean drive-through sercetme of this fast-bod charis seconds s 8nd 1 B. OC. OD seconds.

Explanation / Answer

here option A is correct

one can be 90% confident that the mean drive through service time of this fast food chain is betwen 167.5 seconds

and 170.7 seconds

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