a-food-safety-agency-states-that-no-more-than-22-of-all-packaged-chicken-breasts

Question

A food safety agency states that no more than 2%2\% of all packaged chicken breasts sold in major grocery stores contain trace amounts of a certain pathogen. A researcher, believing the true rate is higher, tests 400400 randomly selected packages. Which of the following correctly states the null and alternative hypotheses for the researcher's test?

Accepted Answer

H0:p≤0.02H_0: p \le 0.02 vs.  0.02"\u003eHa:p\u003e0.02H_a: p \u003e 0.02

Answer

H0:p=0.02H_0: p = 0.02 vs. Ha:p≠0.02H_a: p 
e 0.02

Answer

H0:μ=0.02H_0: \mu = 0.02 vs.  0.02"\u003eHa:μ\u003e0.02H_a: \mu \u003e 0.02

Answer

0.02"\u003eH0:p\u003e0.02H_0: p \u003e 0.02 vs. Ha:p≤0.02H_a: p \le 0.02