In 1998, an industry spokesperson said that over 82% of Americans owned a cellular phone. Test this claim using a significance level of α = 0.05, given that in a random sample of 1036 Americans, 881 owned a cell phone.
a. Write the null and alternative hypotheses. H0: _____________ Ha : ______________
b. To determine if the conditions are met to perform a z-test, complete the following.
