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 one year ago
if you choose 2 letters at random from the letters in the word GRADUATION what is the probability that both letters selected will be constants grid your answer in fraction form
 one year ago
if you choose 2 letters at random from the letters in the word GRADUATION what is the probability that both letters selected will be constants grid your answer in fraction form

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chaguanas
 one year ago
Best ResponseYou've already chosen the best response.1Graduation has 10 letters  5 constants, 5 vowels The number of ways this words can be scrambled to end up with the first two constants is 5.4.3.2.1.5.4.3.2.1=14400 The number of ways this words can be scrambled in total is 10.9.8.7.6.5.4.3.2.1=3628800 Therefore, probability of first two being constant is\[\frac{ 14400 }{ 3628800 }=\frac{ 1 }{ 252 }\]
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