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Mathematics 15 Online
OpenStudy (anonymous):

what is the probability of selecting a vowel or a letter from the word random? determine if events happen at the same time

OpenStudy (anonymous):

the probability will be the ratio of the number of vowels to the number of letters, i.e. \[\frac{\text{ number of vowels}}{\text{total number of letters}}\]

OpenStudy (anonymous):

oh wait, does it really say "selecting a vowel or a letter"?

OpenStudy (anonymous):

@satellite73 Erm, don't you think this was intended to be a combination question?

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