Probability 4 Question 12
12. The probability that $X \geq 3$ equals
(a) $\frac{125}{216}$
(b) $\frac{25}{36}$
(c) $\frac{5}{36}$
(d) $\frac{25}{216}$
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Answer:
Correct Answer: 12. (b)
Solution:
- $P(X \geq 3)=\frac{5}{6} \cdot \frac{5}{6} \cdot 1=\frac{25}{36}$