SOLUTION: Consider a test where the letters in the word LEXICOGRAPHY are arranged at random. a. Find the number of possible ways the letters in the word Lexicography could be arranged (th

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Question 1197438: Consider a test where the letters in the word LEXICOGRAPHY are arranged at random.
a. Find the number of possible ways the letters in the word Lexicography could be arranged (the cardinality of the sample space S)
b. Define random variable B to the number of vowels in the first six (6) letters of the randomly arranged word LEXICOGRAPHY
c. What are B's potential values? Find the random variable B's probability mass function.
d. Find the random variable B's mean and variance.
Answer by math_tutor2020(3817) About Me  (Show Source):