dse 2006 ques 47 and 28

[kogo]

http://economicsentrance.weebly.com/uploads/1/1/0/5/1105777/24_june_2006_option_a

[Sinistral]

for question no. 47 see this.

[yushi.]

of the 6800 men. 1200 have unpaid unbalances.. so 5600 dont have unpiad balance.
probab that selected ind is a man= 6800/10000
probab dat he does not hav unpaid bal= 5600/680

required probab= 6800/10000 . 5600/6800 = .56

[kogo]

thank you so much :)

[kogo]

thanks yushi :)