ProbabilityHard
Question
A pair of fair dice is thrown independently three times. The probability of getting a score of exactly 9 twice is
Options
A.1/729
B.8/9
C.8/729
D.8/243
Solution
Probability of getting score 9 in a single throw 
Probability of getting score 9 exactly twice = 3C2 ×
Probability of getting score 9 exactly twice = 3C2 ×
Create a free account to view solution
View Solution FreeMore Probability Questions
A signal which can be green or red with probability and respectively, is received by station A and then transmitted to s...If $E$ and $F$ are events with $P(E) \leq P(F)$ and $P(E \cap F) > 0$, then...A coin is tossed three times. The probability of getting all heads or tails only is-...If 12 identical balls are to be placed in 3 identical boxes, then the probability that one of the boxes contains exactly...A bag contains 20 tickets numbered with 1 to 20. Three tickets are drawn. The probability that ticket number 7 is defini...