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:

  1. $P(X \geq 3)=\frac{5}{6} \cdot \frac{5}{6} \cdot 1=\frac{25}{36}$


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