Which describes a non-uniform probability model?
a) selecting a single card from a deck of cards
b) selecting a ball from 2 purple balls and 2 green balls
c) the chance of an odd or even number from rolling a die
d) selecting a day of the week using only the first letter of that day

Television viewing reached a new high when the global information and measurement company reported a mean daily viewing time of 8.35 hours per household. use a normal probability distribution with a standard deviation of 2.5 hours to answer the following questions about daily television viewing per household. a. what is the probability that a household views television between 4 and 10 hours a day? (to 4 decimals) b. how many hours of television viewing must a household have in order to be in the top 7% of all television viewing household? (to 2 decimals) c. what is the probability that a household views television more than 4 hours a day? (to 4 decimals)