help me solve this question and can you pls write it down on paper

F" F\" P PROBLEM 9.1 There are five sales marketing at Arendelle store. The four representatives and the number of goods they sold last week are: Sales Representative Goods Sold a 10 a 8 Olaf 7 stoff 9 How many different samples of size 2 are possible? List all possible samples of size 2 and compute the mean of each sample! Organize the means into a sampling distribution! . Compare the population mean and the mean of the sample means! . Compare the dispension in the population with that in the distribution of the sample mean! PROBLEM 9.4 ABC CDs Inc. wants the mean lengths of the \"cuts\"on a CD to be 110 seconds (1 minute and 50 seconds). This will allow the disk jockeys to have plenty of time for commercials within each ll-minute segment. Assume the distribution of the length of the cuts follows the normal distribution with a population standard deviation of 1'? seconds. Suppose we select a sample of 25 cuts from various CDs sold by ABC CDs Inc. a. What is the standard error of the mean? b. What percent of the sample means will be less than 112 seconds? c. What percent of the sample means will be greater than 105 seconds? d. What percent of the sample means will be greater than 105 but less than 1 12 seconds