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:

 

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