The accompanying data set gives the additional sleep in hours obtained by a sample of 10 patients using a certain sleep aid. Preliminary data analyses indicate that the t-interval procedure can reasonably be applied. Complete parts (a) and (b) below. Click here to view the additional sleep hours. Click here to view page 1 of the t-table. Click here to view page 2 of the t-table a. Obtain and interpret a 99% confidence interval for the additional sleep that would be obtained on average for all people using the sleep aid. (Note: x=1.99 hr and s 1.996 hr.) The 99% confidence interval is from hour(s) to hour(s) (Round to two decimal places as needed.) Roman U les No