A newspaper article reported that people spend ameanof

6

hours per day watching TV, with astandard deviationof

2.1

hours. A psychologist would like to conduct interviews with the

20%

of the population who spend the most time watching TV. She assumes that the daily time people spend watching TV isnormally distributed. At least how many hours of daily TV watching are necessary for a person to be eligible for the interview? Carry your intermediate computations to at least four decimal places. Round your answer toone decimal place.

hours