£ d K ½ ¿b t $ 4 f ë ;P k { Æ n ¢ x 3 bl v o p ( bl v fo 6 o jw ï ð ï ð y ö ¶ g ¶ ö ï ¥ ¶ $ pmmfh f pg " h sjdv muv sf ' ppe bo e & o w jspo n fo ubm 4 djfo df 3 bl v o p ( bl v fo 6 o jw fstjuz & c futv ) pl l bje p ô bq bo y ö ¶ g ¶ Ê * $) po psbsz q spgfttps 3 bl v o p ( bl v fo 6 o jw fstjuz & c futv ) pl l bje pAnswer Let H A x ∼ N(µ A = 5,σ A = 02) denote the hypothesis that the shell is from gun A and let H B x ∼ N(µ B = 6,σ B = 04) denote the hypothesis that the shell is from gun B UnderH A, there is z A = (x−µ A)/σ A ∼ N(0,1)and, withx = 54, thereisz A = (54−5)/02 = 02, whichisasignificant value given that P(z A > c = 1 Page 95 Canoae O Ok Cdr âµáÔ¤Çñ Vs lC NbNpbh