4. Compute the 99% confidence interval for the true mean difference in price of grocery items. 5. Provide a written summary for your client that explains what you have found. This should include the results of your hypothesis test and confidence interval using clear language in terms of what parameter you are estimating in the context of the problem.Grocery Prices Item WinCo WalMart Bananas (Ib) 0.42 0.56 Red Onions (lb) 0.58 0.98 Mini Peeled Carrots (1 lb bag) 0.98 1.48 Roma Tomatoes (lb) 0.98 1.19 Deli Tater Wedges (Ib) 1.18 1.78 Beef Cube Steak (Ib) 3.83 3.19 Beef Top Round London Broil (lb) 3.48 4.12 Pillsbury Devils Food Cake Mix (18.25 oz) 0.88 0.88 Lipton Rice and Sauce Mix (5.6 oz) 0.88 1.06 Sierra Nevada Pale Ale 12.68 9.99 GM Cheerios Oat Clusters (11.3 oz) 1.98 2.74 Charmin Bathroom Tissue (12 roll) 5.98 7.48 Bumble Bee Pink Salmon (14.75 oz) 1.58 1.98 Pace Thick & Chunky Salsa, Mild (24 oz) 2.28 2.78 Nalley Chili, Regular w/Beans (15 oz) 0.78 0.78 Challenge Butter (lb quarters) 2.18 2.58 Kraft American Singles (12 oz) 2.27 2.27 Yuban Coffee FAC (36 oz) 5.98 7.56 Totino's Pizza Rolls, Pepperoni (19.8 oz) 2.38 1.99 Rosarita Refried Beans, Original (16 oz) 0.68 0.73 Barilla Spaghetti (16 oz) 0.78 1.23 Sun-Maid Mini Raisins (14 -.5 oz) 1.18 1.36 Jif Peanut Butter, Creamy (28 oz) 2.54 2.72 Dole Fruit Bowl, Mixed Fruit (4 - 4 oz) 1.68 1.98 Progresso Chicken Noodle Soup (19 oz) 1.28 1.38 Precious Mozzarella Ball, Part Skim (16 oz) 3.28 4.23 Mrs. Cubbison Seasoned Croutons (6 oz) 0.88 1.12 Kellogg's Raisin Bran (20 oz) 1.98 2.5 Campbell's Soup at Hand, Cream of Tomato 1.18 1.26