A probability problem by bhavya jain
Probability
Level
4
3 unbiased dices are rolled. Bhavya noticed that there are two dice which show the number 5.
What is the probability that the third dice shows the number 3?
0.188
0.167
6.25E-2
0.5
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1 solution
POSSIBLE CASES : 551,515,155,552,525,255,553,535,355,554,545,455, {555 555 555 (same)},556,565,655 TOTAL CASES = 16 FAVORABLE OUTCOME = 3 PROBABILITY = 3/16 = 0.1875 = 0.188 (QED)