Roderick_April_MM207_05_Unit_6_Project

Roderick_April_MM207_05_Unit_6_Project - Section 7.1 #6 a....

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Section 7.1 #6 a. 50% b. 95% c. 0.15% #8 1 21 = = σ μ a. 95% b. 68% c. 50% d. 99.7% #10 4 . 0 6 . 7 = = a. 15.85 probability b. 83.85 probability c. 54 cups 850/15.85=53.627=54 cups 7.2 #4 3 . 4 2 . 27 = = A. x<30 z= 65 . 0 3 . 4 30 2 . 27 - = - kilo B. 19<x z= 3 . 4 2 . 27 19 - =1.906 kilo C. 32<x<35 3 . 4 2 . 27 32 - 81 . 1 2 11 . 1 3 . 4 35 2 . 27 < < = - #14 0.7642 #18 1-.0150=0.985 #20 .9783-.0808=0.8975
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#34 . 0.9990 #42 .1093-.0375=0.0718 #46 .5000-.0089=0.4911 Section 7.3 #6 15 / 50 40 1 - = z 15 / 10 1 - = z 67 . 0 1 - = z
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Z 2 15 / 50 47 - = Z 2 -3/15 Z 2 =0.2 P(40 2 . 0 06 . ( ) 47 - = z P x P(-.067 ) 67 . 0 ( ) 2 . 0 ( ) 2 . 0 - - = z P z P z P(z 3279 . 0 2514 . 5793 . ) 67 . 0 ( ) 2 . 0 = - = - - z P #10 3-2/0.25=1/0.25=0.4=.3446 #22 a. 9664 . 0 ) 83 . 1 ( ) 60 ( 83 . 1 12 38 60 = < = < = = - z P x P the probability that x is less than 60 is 0.9664 b.
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Roderick_April_MM207_05_Unit_6_Project - Section 7.1 #6 a....

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