Problem 1: A random sample of 49 1|il'ql'almart customers participated in a sol-waves},r about the money1 they spend on pre-Thanksgiving shopping. Their answers formed a distribution X m NEBQJBJ. - Identify the mean and the standard deviation for the sample. - Fhllcw the steps from the lecture notes and homework to construct the 33% condence interval for the population mean using a, z score and EEM. - 1|Write the conclusion using complete sedences. - Use the calculator to construet the condeoee interval for the population mean, if the condence level 1will he 92%, and all other values stay the same. 22 2 - Use the formula 11. = to nd the minimum number of participants, ifyou want to be 95% condent that the estimated sample mean is 1within two dollars of the true population mean. The sample follows the same distribution X M N{$92..$3:|