Researchrs found that a person in a particular country spen an average of 5.6 hours a day watch tv in 2010. Assume the population standard deviation is 2 hours per day. a sample of 41 people averaged 6.3 hours of tv a day. Answer A-C
A- Z-_x=
B- P(X>6.3)-
C- The probability is (less or greater) then 0.05 which means the result ( does not support or supports) the findings of the study?