A simple random sample of size n 420 adults was asked their

A simple random sample of size n = 420 adults was asked their favorite ice cream flavor. Of the 420 individuals surveyed, 158 responded that they preferred mocko-chocko flavor. Do more than 30% of adults prefer mock0-chocko ice cream? Use alpha = 0.01 level of significance. (a) what is the null hypothesis? (b) what is the alternative hypothesis? (c) what is the value of test statistic? (d) what is the p-value (e) what is your conclusion?

Solution