Question 11 0/1 pt 0 3 7 99 Before the furniture store began its ad campaign, it averaged 190 customers per day. The manager is investigating if the average is smaller since the ad came out. The data for the 12 randomly selected days since the ad campaign began is shown below: 163, 193, 171, 161, 200, 183, 198, 173, 179, 158, 178, 171 Assuming that the distribution is normal, what can be concluded at the a = 0.01 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? v Select an answer v H1: ? v Select an answer v c. The test statistic ? v (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is ? v a