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Mathematics 7 Online
OpenStudy (anonymous):

if two letters were randomly chosen from the alphabet, would it be unusual if they were both vowels? how to solve?

OpenStudy (anonymous):

yes, it would be unusual, because there are 26 letters, and only 5 vowels.

OpenStudy (anonymous):

the chance of picking one vowel is 5 in 26, also 5/26, the probability of picking TWO vowels is (5/26)*(5/26) = 25/676, which is about 3%

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