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Television viewing reached a new high when the global information and measurement company reported a mean...

Television viewing reached a new high when the global information and measurement company reported a mean daily viewing time of 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 3 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 4% of all television viewing households (to 2 decimals)?

hours

c. What is the probability that a household views television more than 3 hours a day (to 4 decimals)?

Math   Statistics-And-Probability   
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