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Is this correct????.????.??.??
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Answer:
The probability that a random permutation of the letters in MATHEMATICS contains the word TEA is 0.04.
Step-by-step explanation:
First compute the number of permutations of the word MATHEMATICS.
There are a total of 11 letters.
And there are 2 Ms, 2 As and 2 Ts
Number of permutations of MATHEMATICS =
Now, if the letters TEA occur together in the same order then the word may be of the form: (TEA)MHMATICS.
There are a total of 9 letters.
The letters TEA is treated as only one letter.
In this case there are 2 Ms.
Number of permutations of (TEA)MHMATICS =
The probability that the letters TEA occur together is:
Thus, the probability that a random permutation of the letters in MATHEMATICS contains the word TEA is 0.04.