Recent incidents of food contamination have caused greatconcern among consumers. The article How Safe Is ThatChicken? (Consumer Reports, Jan. 2010: 1923) reportedthat 35 of 80 randomly selected Perdue brand broilerstested positively for either campylobacter or salmonella (orboth), the leading bacterial causes of food-borne disease,whereas 66 of 80 Tyson brand broilers tested positive.a. Does it appear that the true proportion of noncontaminatedPerdue broilers differs from that for theTyson brand? Carry out a test of hypotheses using asignificance level .01.b. If the true proportions of non-contaminated chickensfor the Perdue and Tyson brands are .50 and .25,respectively, how likely is it that the null hypothesis ofequal proportions will be rejected when a .01 significancelevel is used and the sample sizes are both 80?

ST 701 Week Seven Notes MaLyn Lawhorn September 26, 2017 and September 28, 2017 Quick Note From Last Class There are two different ways to calculate E[g(x)] and those are R ▯ E[g(x)] = g(x)f (x)dx X R ▯ Y = g(x); then E[Y ] = yfY(y)dy Moments th n th For special g functions, we...