After years of working at a weighing station for trucks, Jeff Simpson feels that the weight per truck (in thousands of pounds) follows a normal distribution with u = 71 and o= 15. In order to test this assumption, Jeff collected the following data one Monday, recording the weight of each truck that entered his station. 85 57 60 81 89 63 52 65 77 64 89 86 90 60 57 61 95 78 66 92 50 56 95 60 82 55 61 81 61 53 63 75 50 98 63 77 50 62 79 69 76 66 97 67 54 93 70 80 67 73 If Jeff used a chi-square goodness-of-fit test on these data, what would he conclude about the trucks' weight distribution? (Use a 0.10 significance level and be sure to state the hypotheses of interest.)