document.write( "Question 1175359: A manufacturer of spark plugs knows that the process produces 4 percent defective. As part of
\n" ); document.write( "their quality assurance program, the manufacturer inspects 10 spark plugs each hour. If two or
\n" ); document.write( "more of the plugs are defective, the process is shut down and corrective action is taken.
\n" ); document.write( "a. Use the binomial distribution to determine the probability of finding two or more defective
\n" ); document.write( "plugs when the process is actually 4 percent defective.
\n" ); document.write( "b. Use the Poisson distribution to compute the same probability. \n" ); document.write( "

Algebra.Com's Answer #800964 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi\r\n" );
document.write( "a.  Using Binomial distribution: p(def) =.04   q = .96  n = 10\r\n" );
document.write( "P(x ≥ 2) = 1 - P(x ≤ 1) = 1 - binomcdf(10, .04, 1) = 1 - .9418 = .0582\r\n" );
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document.write( "b.  Use the Poisson Distribution:  \r\n" );
document.write( "P(x ≥ 2) = 1 - P(x ≤ 1) = 1 -poissoncdf(.04, 1) = 1-.9992 = .0008\r\n" );
document.write( "Wish You the Best in your Studies.\r\n" );
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