Working her way through school, Liz works two part-time jobs for a total of 27 hours a week. Job A pays $6,00 per hour, and Job B pays $7.40 per hour. How many hours did she work at each job the week that she made $180.20? (Round to two decimal places if necessary.)

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)