Quiz 2 Key - 252.7.3.103 P X C = =-= = d 10.7 7(1 10.7.3...

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Quiz 2 Answer 1. p=.7, n=10 a) 10 0 10 10 10 ( 10) (.7) (1 .7) .7 .028 P X C = = - = = b) 0 10 1 9 2 8 10 0 10 1 10 2 10 9 8 ( 3) 1 ( ( 0) ( 1) ( 2)) 1 (.7) (1 .7) (.7) (1 .7) (.7) (1 .7) 1 .3 10(.3) 45(.3) .9968 P X P X P X P X C C C = - = + = + = = - - - - - - = - - - = c) 5 5 5 5 10 5 ( 5) (.7) (1 .7)
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Unformatted text preview: 252(.7) (.3) .103 P X C = =-= = d) ( ) 10(.7) 7 ( ) (1 ) 10(.7)(.3) 2.1 1.449 E X np Var X np p σ = = = = =-= = = 2. 5 3 5! 60 2! P = =...
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