the probability of guessing a correct answer is x/2 if the probability of nat guessing it correct is 2/3, - Maths - Probability

Question

the probability of guessing a correct answer is x/2 if the
probability of nat guessing it correct is 2/3, then x is

Sruthi · Answer

p(gussing right)+p(gussing wrong)=1
x/2+2/3=1
3x/6+4/6=1
3x+4=6*1
3x=6-4
3x=2
x=2/3

the probability of guessing a correct answer is x/2. if the probability of nat guessing it correct is 2/3, then x is..........