Saved Help Assignment #1 i Save & Exit A sample of 65 video game satisfaction ratings are given in the following table: 9 Composite Scores for the Video Game Satisfaction Rating Case 46 39 40 48 41 41 40 40 44 43 39 41 10 15 44 43 41 43 points 46 43 44 41 41 42 44 45 38 44 40 46 3B 42 44 46 38 40 46 39 42 43 46 43 44 44 40 43 41 -42 42 41 40 40 46 40 45 43 The mean and the standard deviation of the sample of 65 video game satisfaction ratings are x = 42.31 and s= 2.3974. (a) What does the histogram in Figure 215 say about whether the Empirical Rule should be used to describe the satisfaction ratings? i somewhat reasonable. MacBook Pro esc Assignment #1 i Saved Help Save 9 (b) Use the Empirical Rule to calculate estimates of tolerance intervals containing 68.26 percent, 95.44 percent, and 99.73 percent of all possible satisfaction ratings. (Round your answers to 4 decimal places.) 10 [x[bar) + 5] points [x[bar) + 26] (x(bar) + 38] (c) Does the estimate of a tolerance interval containing 9973 percent of all satisfaction ratings provide evidence that 99.73 percent of all customers will give a satisfaction rating for the XYZ-Box game system that is at least 35 (the minimal rating of a "satisfied" customer)? Explain your answer. . because the lower limit of the Interval is 35. fed) How in the normentanes of the 65 customer satisfaction rations in that actually fall into the intervals [ + ] [ r + >] and [ Y + 3el MacBook Pro esc Assignment #1 i Saved Help Save & Exit 9 . because the lower limit of the interval is 35. 10 points (d) How do the percentages of the 65 customer satisfaction ratings in that actually fall into the intervals [ x * s], [ x # 2s], and [ X + 3s] compare to those given by the Empirical Rule? Do these comparisons indicate that the statistical inferences you made in parts band c are reasonably valid? (Round your answers to the nearest whole number.) 3% fall into [x(bar) + $], % fall into [x(bar) + 2s], 1% fall into [x(bar) + 35]. they reasonably valid