Probability Problem Video
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y is not a vowel
there are five vowels out of 26 total letters
so the probability is equal to
21x20x19x5x4x3/26x26x26x10x10x10 = 0.02724
mathproblems 5 years ago
OK, here is my best shot.
I assumed that the vowels are a, e, i, o, u, and y.
The single digit even numbers other than 0 are 2, 4, 6, and 8.
Each letter and each number must be different:
(3!)(20*19*18)/(26^3) * (3!)(4*3*2)/(10^3) = 5909760/17576000 = 16416/54925 = 29.8880%
The (3!) accounts for the fact that it doesn't matter what order they are in.
iviewthetube 5 years ago
I will explain this video soon
mathproblems 5 years ago
which video this comments belongs to?
Please let me know
mathproblems 5 years ago
Sorry I mistakenly commented on the wrong video. Can you explain this problem?
TruthfuLie 5 years ago
thank you, very clearly explained
TruthfuLie 5 years ago