4. In a survey for a future election a random sample of size 100 has been selected. Within that sample 9% said that they will vote candidate A. (a) Test the hypothesis that candidate A will receive more than 7% of the vote in the election. Make the alternative hypothesis that the proportion of votes candidate A will receive is more than 7%. Use 5% significance level. (b) Calculate the p-value of the above test. (c) What would be your decision if in question (a) the significance level had been 1%