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 .
Answers
Given : 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.
To Find : The probability of getting a particular four-letter sequence
Solution:
4 letters can be selected out of 11 in ¹¹C₄ ways = 330
4 letters can be arranged to make a sequence = 4! = 24 way
Total ways = 330 * 24 = 7920
The probability of getting a particular four-letter sequence = 1/7920
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Answer:
1/7920
Step-by-step explanation:
