oddissy4u
Forum Guru
Topics: 107
Posts: 389
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A drug has 10% rate of side efffects ,when 2 patients put on the drug ,whts the probabilty of both developing side effects?
1. 1%
2.5%
3. 10%
4. 2%
5. 15%
?
plz explain .
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| asmi
Forum Hero
Topics: 1043
Posts: 4,609
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is the answer 15% ?
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| dr.shar
Forum Elite
Topics: 38
Posts: 236
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is the asn is 2%
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| oddissy4u
Forum Guru
Topics: 107
Posts: 389
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answer given is 1% in BSS.(dont knw how :roll: )
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| dr.shar
Forum Elite
Topics: 38
Posts: 236
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the ans 1% is correct, the are independent prob, 1/10 x 1/10 x 100 = 1%.
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| asmi
Forum Hero
Topics: 1043
Posts: 4,609
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dr.shar ,
How did you get that 100 ?
Don't we have to substract 10 from 100 ?
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| dr.shar
Forum Elite
Topics: 38
Posts: 236
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10% means 1 in 10 or 1/10.
two indepent patients are taking means 1/10 x 1/10
prob of percentage is 1/10 x 1/10 x 100
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| asmi
Forum Hero
Topics: 1043
Posts: 4,609
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thnx
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