In a study of annual apartment rental costs in aneastern city, a random sample of 36 apartments hasa mean rental cost of $11,535 per year and astandard deviation of $875.a. Construct a 99 percent confidence interval for thetrue average annual apartment rental cost. Writeconclusion.b. What can be said with 95 percent confidence aboutthe maximum error if he sample mean of $11,535 is used as an estimate of the true average annualapartment rental cost?