Question: A telephone survey gives 371 consumers two choices: Do they prefer Coke or Pepsi? Exactly 290 of those surveyed state that they prefer Coke. Assuming that a = 0.02, test the hypothesis that the proportion of the population that prefers Coke is 40%.
?State the null and alternate hypotheses
??Calculate the sample proportion
??Calculate the value of the test statistic.
??Determine the critical value(s).
??State your decision: Should the null hypothesis be rejected?