10. Two mark exercise problems V

1. In a survey of $400$ youngsters aged $16 - 20$ years, it was found that $191$ have their voter ID card. If a youngster is selected at random, find the probability that the youngster does not have their voter ID card.

 

Answer:

 

The probability that the youngster does not have their voter ID card $=$ $\frac{i}{i}$

 

2. The probability of guessing the correct answer to a certain question is $\frac{x}{3}$. If the probability of not guessing the correct answer is $\frac{x}{5}$, then find the value of $x$.

 

Answer:

 

$x =$ $\frac{i}{i}$