1. The daily returns for a stock over a period of 110 days are recorded, and the summary descriptive statistics are given as follows:

Descriptive Statistics: return Variable N N* Mean SE Mean St.Dev. Minimum Q1 Median return 110 0 0.000983 0.00296 0.03103 -0.19992 -0.01393 0. 00322 Variable 03 Maximum return 0. 01591 0 . 09771 a) Find a 95% confidence interval estimate for /, where / is the population mean rate of return of the stock. b) Test the hypothesis Ho: #=0 versus Ha: # > 0 at 5% significance level. What is the p-value for the test