Ask your own question, for FREE!
Mathematics 19 Online
OpenStudy (anonymous):

According to Nielsen Media Research, the average number of hours of TV viewing per household per week in the United States is 50.4 hours. Suppose the standard deviation is 11.7 hours and a random sample of 42 U.S. households is taken. a. What is the probability that the sample average is more than 52 hours? b. What is the probability that the sample average is less than 47.6 hours? c. What is the probability that the sample average is less than 40 hours?

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Latest Questions
Breathless: Spooky witch but cute
6 hours ago 3 Replies 0 Medals
Arriyanalol: help
6 hours ago 10 Replies 2 Medals
Arriyanalol: @tinydinoUwU stop trying to find a argument u blad lil boy
1 day ago 5 Replies 4 Medals
Jaded012023: Please tell me what you all think of this song
9 hours ago 6 Replies 1 Medal
Arriyanalol: bro how
9 hours ago 2 Replies 3 Medals
Arriyanalol: cant wait for the new bluey movie in 2027
1 day ago 12 Replies 2 Medals
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!