370 College freshmen were interviewed. 200 were registered for an Advanced Math class
270 were registered for an English class
220 were registered for a Sport Activity class
100 were registered for both Math and English
50 were registered for both Sport and English but not Math
70 were registered for Math, Sport, and English.

How many signed up for neither Math nor English?

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)