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Question Number 55860 by Easyman32 last updated on 05/Mar/19

Answered by tanmay.chaudhury50@gmail.com last updated on 05/Mar/19

jones probablity of winning=a  john probablity of winning=3a  david....=2×3a=6a  a+3a+6a=1  a=(1/(10))  john probablity=(3/(10))  pls check...

$${jones}\:{probablity}\:{of}\:{winning}={a} \\ $$$${john}\:{probablity}\:{of}\:{winning}=\mathrm{3}{a} \\ $$$${david}....=\mathrm{2}×\mathrm{3}{a}=\mathrm{6}{a} \\ $$$${a}+\mathrm{3}{a}+\mathrm{6}{a}=\mathrm{1} \\ $$$${a}=\frac{\mathrm{1}}{\mathrm{10}} \\ $$$${john}\:{probablity}=\frac{\mathrm{3}}{\mathrm{10}} \\ $$$${pls}\:{check}... \\ $$

Answered by tanmay.chaudhury50@gmail.com last updated on 05/Mar/19

33)pasd in math=p  fail in math=1−p  pass in physics=q  fail in physics=1−q  pass in math but fail in physics=p(1−q)

$$\left.\mathrm{33}\right){pasd}\:{in}\:{math}={p} \\ $$$${fail}\:{in}\:{math}=\mathrm{1}−{p} \\ $$$${pass}\:{in}\:{physics}={q} \\ $$$${fail}\:{in}\:{physics}=\mathrm{1}−{q} \\ $$$${pass}\:{in}\:{math}\:{but}\:{fail}\:{in}\:{physics}={p}\left(\mathrm{1}−{q}\right) \\ $$

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