(Fill in blank)

Distinct four-letter sequences are formed by picking 4 letter tiles from a bag containing 11 different alphabet tiles. Note that the order in which the letters are picked matters.
The probability of getting a particular four-letter sequence is
_________.

Question

(Fill in blank)

Distinct four-letter sequences are formed by picking 4 letter tiles from a bag containing 11 different alphabet tiles. Note that the order in which the letters are picked matters.
The probability of getting a particular four-letter sequence is 
_________.

MusicGeek · Answer

1st slot: 11 choices
2nd slot: 10 choices (1 picked)
3rd slot: 9 choices (1 more picked)
4th slot: 8 choices (1 more picked)
11*10*9*8=7920
7920 ways
so the probabity is
1/7920

4479 · Answer

@musicgeek wrote:

1st slot: 11 choices 2nd slot: 10 choices (1 picked) 3rd slot: 9 choices (1 more picked) 4th slot: 8 choices (1 more picked) 11*10*9*8=7920 7920 ways so the probabity is 1/7920

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