Help please

Question 7: Choose the part you need. Part a) One-Sample T: Work Descriptive Statistics 95% Lower Bound N Mean StDev SE Mean for u 50 20.07 13.28 1.88 16.92 It mean of Work Test Null hypothesis Ho: H = 20 Alternative hypothesis H,: p > 20 T-Value P-Value 0.04 0.485 Part b) One-Sample T: TV Descriptive Statistics 95% Lower Bound Mean StDev SE Mean for u 50 2.164 1.324 0.187 1.850 I mean of TV Test Null hypothes Ho. H = 2 Alternative hypothesis H,: H > 2 T-Value P-Value 0.88 0.193 Part c) One-Sample T: Cell phone Descriptive Statistics 95% Lower Bound N Mean StDev SE Mean for u 50 4.204 3.394 0.480 3.399 " mean of Cell phone Test Null hypothesis Hoi p = 4.5 Alternative hypothesis H,: ( > 4.5 T-Value P-Value -0.62 0.730