No Grade (practice only):You may need to use the appropriateappendix tableto answer this question.

Television viewing reached a new high when the Nielsen Company reported a mean daily viewing time of8.35 hoursper household.Use a normal probability distribution with a standard deviation of2.5 hoursto answer the following questions about daily television viewing per household.

(a)

What is the probability that a household views television between3and10hours a day? (Round your answer to four decimal places.)

(b)

How many hours of television viewing must a household have in order to be in the top3% of all television viewing households? (Round your answer to two decimal places.)

hrs

(c)

What is the probability that a household views television more than5hours a day? (Round your answer to four decimal places.)