Question

1. There is a remedy for male pattern baldness - at least that’s what millions of males hope since the FDA approved Upjohn’s Minoxidil for such a use. To study its effectiveness 600 bald men were randomly chosen and then randomly assigned to receive topical Minoxidil or identical appearing placebo. In the Minoxidil group, 33 out of 300 patients had some new hair growth, where as in the placebo group 21 out of 300 patients had some new hair growth.

(a) Does this data support the claim that Minoxidil is effective?

(b) Find the p-value of the test.

Answer 1

So) hi arosthnioxidi) and placebo roup Nulu ypothesis A lenabiv hypeheim Given hat 00 - 36o 2. P 033 P, 02)

尸 o. 334 300十0.QIA 300 300→ 300 19+ 63 m, n 6.12 300 012 912 00369

P valul 씨 O.OOI value < α(0.05) cul So we rejcct mull hypthosis 込 atment is mefo pla abo