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Question 5 The number of potholes in any given 1 mile stretch of freeway pavement in Pennsylvania has a bell-shaped distribut
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2.35% 34% 34% 2.35% 0.15% 5 13.5% 15 25 13.5% 0.15% 45 55 65 35 Mean

15 – 35 z score for 15 = = 65 - 35 2 score for 65 = 102 1053 So, percentage is 13.5 +34 +34 + 13.5+ 2.35 = 97.35%

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