Chapter 6 HW - Minutes Lower Upper 120 140 flight time 125...

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Minutes Lower 120 Upper 140 flight time 125 Expected flight time 130 Variance 33.3 P(<=130) 0.5 P(>=140) 0.25
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Distance Lower 284.7 Upper 310.6 Interval 25.9 Expected distance 297.65 Variance 55.9 P(<=290) 0.2046 P(>=300) 0.4093 P(290 < x < 305) 0.5792 1 for 284.7 310.6 ( ) 25.9 0 elsewhere x f x ≤ ≤ =
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Debt Mean 15015 sd 3540 x 18000 z 0.84 Prob 0.20 0.20 x 10000 z -1.42 Prob 0.078 0.078 x 12000 12000 18000 z -0.85 -0.85 0.84 Prob 0.803 0.197 0.800 0.603 0.603 0.1972 0.8004 x 14000 z -0.29 Prob 0.387 0.3872
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Mean 30 sd 8.2 x 40 z 1.22 Prob 0.11 0.11 x 20 z -1.22 Prob 0.11 0.11 z 1.2816 40.51 x 40.509
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Hours Mean 77 sd 20 x 50 z -1.35 Prob 0.089 0.089 x 100 z 1.15 Prob 0.125 0.125 z 0.842 93.83242 x
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Chapter 6 HW - Minutes Lower Upper 120 140 flight time 125...

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