Hello Sir/Mam.

I am new to statistics and probability. please pleaseee help me with this practice question as I am really confused with my own answers

thank you sooo much!!

G H Participant number Before program After program Mass change A fitness app claims that at months of their program, participants increase their muscle mass by at least 7 pounds. A study looked at 200 participants' mass before and after the program, with the results given to the left. What is the null hypothesis to examine their claim? Hot - What is the alternative hypothesis to examine their claim? Hi - Which of the two hypotheses corresponds to the claim?_ 3.1 What is the sample mean of change in mass?_ 3.2 What is the sample standard deviation of the mass change?_ 3.3 What is the bound of the critical region, for a = 0.05 ? 3.4 What is the test static for the mean change in mass? _ 3.5 Is the null hypothesis rejected?_