In tossing four fair dice, what is the probability of tossing at most
one 3?

Answer : 0.868

My solution and answer:

Let A = total number of sample points
B = sample points with at most one 3

Pr(B/A) = 5*6*6*6 / 6*6*6*6 = 1080 / 1296 = 0.8333

Where is my error?


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