9th Class
Mathematics
Probability
Question Bank
Probability
question_answer
The following chart shows the number of students who failed in different subjects in an examination. What is the probability that a student chosen randomly failed in Mathematics?
A)0.38
B) 0.33
C) 0.23
D) 0.32
Correct Answer:
B
Solution :
(b): \[n\left( P \right)=\frac{{{120}^{{}^\circ }}}{{{360}^{{}^\circ }}}=\frac{1}{3}\text{=}0.33\]