document.write( "Question 355281: It is known that 60% of mice inoclated with a serum are protected from a certain disease. if 5 mice are inoculated find the probability that (a) none contracts the disease, (b) fewer than 2 contract the disease and (c) more than 3 contract the disease \n" ); document.write( "
Algebra.Com's Answer #253794 by Fombitz(32388)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "P=0.6, protected
\n" ); document.write( "P=0.4, not protected\r
\n" ); document.write( "\n" ); document.write( "a) P(5 protected)=\"1%2A%280.4%29%5E0%2A%280.6%29%5E5=0.0778\"
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\n" ); document.write( "b) Fewer than two, means zero or 1 mice not protected.
\n" ); document.write( "P(0 not protected)=P(5 protected)=\"0.0778\"
\n" ); document.write( " P(1 not protected)=P(4 protected)=\"5%2A%280.4%29%5E1%2A%280.6%29%5E4=0.2592\"
\n" ); document.write( "\"P=P%285%29%2BP%284%29=0.33696\"
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\n" ); document.write( "c)More than 3 contract means, only zero or 1 mice protected.
\n" ); document.write( "P(0 protected)=\"1%2A%280.4%29%5E5%2A%280.6%29%5E0=0.0102\"
\n" ); document.write( "P(1 protected)=\"5%2A%280.4%29%5E4%2A%280.6%29%5E1=0.0768\"
\n" ); document.write( "\"P=P%280%29%2BP%281%29=0.08704\"
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