Television viewing reached a new high when the globalinformation and measurement company reported a mean daily viewing time of8.35 hours per household.

Use a normal probabilitydistributionwith a standard deviation of2.5hoursto answer the following questions about daily television viewing per household.

What is the probabilitythat a household views televisionless than 6 hours?

First findthe z-score.

1. Z-score(rounded to 2 decimal places):

2. Probability(rounded to 4 decimal places):