document.write( "Question 860660: Compute P(x) using the binominal probability formula. Then determine whether the normal distribution can be used to estimate this probability. n=50, p=0.25, x=25 \n" ); document.write( "
Algebra.Com's Answer #518578 by ewatrrr(24785)\"\" \"About 
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document.write( "Hi,
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document.write( "n=50, p=0.25, x=25
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document.write( "\"P+%28x%29=+highlight_green%28nCx%29%28p%5Ex%29%28q%29%5E%28n-x%29+\" 
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document.write( "P(25) = \"highlight_green%2850C25%29%28.25%5E25%29%28.75%29%5E%2825%29+\"
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document.write( "126410606437752
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document.write( "P(25) = \"highlight_green%28126410606437752%29%28.25%5E25%29%28.75%29%5E25+\" = .0000845
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document.write( "Note: We can use the normal distribution as a close approximation to the
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document.write( " binomial distribution whenever n*p ≥ 5 and nq ≥ 5.
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document.write( ".25*50 = 12.5  and .75*50 = 37.5
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document.write( "Yes, We can use the normal distribution as a close approximation to the
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document.write( " binomial distribution\r
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