document.write( "Question 880388: Me again.\r
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document.write( "Hi - I know this is probably really simple, are I do not know if I am on the right track for this question (probability is just not making any sense to me at all). \r
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document.write( "It is known that 25% of all staff in a company make use of the free influenza vaccination programme. Answer the following as: The probability is equal to: (Round your probability to 4 decimal places:\r
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document.write( "Q If 20 people are randomly selected, find the probability that exactly 12 people don't use the vaccination programme.\r
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document.write( "Please help!
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document.write( "Thanks in advance! \n" );
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Algebra.Com's Answer #531414 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! p(make use of vaccine) = .25 n = 20 \n" ); document.write( "P(x=12) = 20C12(.25)^12(.75)^8 0r binompdf(20, .25, 12) \n" ); document.write( " |