in a class there are x girls & y boys. Probability of selecting a boy is?
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total probability of class isx+ y= 1
therefore probability of selecting boys = y/1
therefore probability of selecting boys = y/1
madhukarkumarlko:
pahle apne maths teacher ko consult kro varna probability tumhare bas ki bat nahi hai
probability always assumed 0 to 1 baby
nd its da basic properties of probability
x is the number of student babes
i just assumed both probability equal to 1
and not the probability
not number
samjhi
look at solution of i done it by property not number u r not wrong and i also
or rahi bat mere bas ki dan for ur kind info i m ipcc student
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y/(x+y) is the probability of choosing a boy in that class
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