document.write( "Question 850787: The Probability of getting a defective Widget is .10 You select five widgets = \r
\n" ); document.write( "\n" ); document.write( "A. What is the probability that at least one widget will be defective? \r
\n" ); document.write( "\n" ); document.write( "The way I set it up is using the formula: p(x) = nCx * p^x * q^n-x \r
\n" ); document.write( "\n" ); document.write( "p= .9 q=.10 n=5 and x=0, cause P(X >= 1) = 1 - P(X = 0) \r
\n" ); document.write( "\n" ); document.write( "= 1 - 5C0 * .90^0 * .10^5-0 = 1 - 1 * 1 * 0.00001 = 0.00001 \r
\n" ); document.write( "\n" ); document.write( "I don't think this is right, please help.
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Algebra.Com's Answer #512459 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"P%28at_least_1_defective%29%2BP%28none_defective%29=1\"
\n" ); document.write( "\"P%28none_defective%29=%280.9%29%280.9%29%280.9%29%280.9%29%280.9%29=%280.9%29%5E5=0.59049\"
\n" ); document.write( "\"P%28at_least_1_defective%29=1-0.59049\"
\n" ); document.write( "\"P%28at_least_1_defective%29=0.40951\"
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