Identify critical value(s), standarized test statistics, reject or fail to reject the null hypothesis. Thank you!

In a 4-week study about the effectiveness of using magnetic Do you Feel Better? insoles to treat plantar heel pain, 50 subjects wore magnetic Magnetic Insoles insoles and 39 subjects wore nonmagnetic insoles. The Yes 18 results are shown at the right. At a = 0.07, can you support No 32 the claim that there is a difference in the proportion of subjects who feel better between the two groups? Assume the random samples are independent. Complete parts (a) Nonmagnetic Insoles through (e). Yes 21 No 18 (a) Identify the claim and state Ho and Ha The claim is "the proportion of subjects who feel better with magnetic insoles is those who feel better with nonmagnetic insoles."