Before the furniture store began its ad campaign, it averaged 123 customers per day. The manager is investigating if the average has changed since the ad came out. The data for the 14 randomly selected days since the ad campaign began is shown below: 115, 118, 121, 111, 113, 134, 111, 128, 107, 97, 103, 128, 98, 104 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 H1 : [? Select an answer 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 f. Based on this, we should |Select an answer | the null hypothesis. g. Thus, the final conclusion is that ... The data suggest that the population mean number of customers since the ad campaign began is not significantly different from 123 at a = 0.01, so there is insufficient evidence to conclude that the population mean number of customers since the ad campaign began is different from 123. The data suggest the populaton mean is significantly different from 123 at a = 0.01, so there is sufficient evidence to conclude that the population mean number of customers since the ad campaign began is different from 123. The data suggest the population mean is not significantly different from 123 at a = 0.01, so there is sufficient evidence to conclude that the population mean number of customers since the ad campaign began is equal to 123