Of 570 broiler chickens purchased from various kinds of food stores in different regions of a country and tested for types of bacteria that causefood-borne illnesses, 35% were infected with a particular bacterium.

a) Construct a 99% confidence interval.

b) Explain what your confidence interval says about chicken sold in the country.

c) A government spokesperson claimed that the sample size was toosmall, relative to the billions of chickens slaughtered eachyear, to generalize. Is this criticismvalid?