Asked by cebile
Suppose you sample randomly, without replacement, a number between 1 and 999999, all outcomes have the same probability of being selected.What is the probability that the digits of the number selected add up to 23
Answers
Answered by
PsyDAG
None under 100 will = 23
995 = 9 + 9 + 5 = 23
599 = 9 + 9 + 5 = 23
959 = 9 + 9 + 5 = 23
869
779
788
Do you have a formula you can use? I don't.
995 = 9 + 9 + 5 = 23
599 = 9 + 9 + 5 = 23
959 = 9 + 9 + 5 = 23
869
779
788
Do you have a formula you can use? I don't.
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