Residents of Town X participated in a survey to determine the no. of hrs per week each resident spent watching TV.The distribution of results of the survey had a mean of 21 hrs an a standard dev of 6 hrs. The no. of hrs that Pat, a resident of Town X, watched TV, last week was between 1 and 2 standard dev below mean. Which of the following could be the number of hrs that Pat watched TV last week?
A.30
B.20
C.18
D.12
E.6
OA is D
A.30
B.20
C.18
D.12
E.6
OA is D
Last edited by zagcollins on Tue Jul 29, 2008 2:34 am, edited 1 time in total.
