pls show work

annually on a debit card. A researcher claims that children spend an average of 5 hours a day watching TV. Suppose you don't believe that they watch that much TV, and get a sample of 50 children to see if the mean time for watching TV is less than what is claimed. The sample mean is 4 4 hours and the sample standard deviation is 2.2 hours. Test your hypotheses at the 10% significance level using the critical-value approach. Follow the 4-step procedure and show your work. (17pts) S adults is $1%. Is