Question

25. The following parts (a) and (b) refer to the letters MMMMPPIII. (a) How many words...

25. The following parts (a) and (b) refer to the letters MMMMPPIII.


(a) How many words can be created such that both P’s occur to the left of the first I?

(b) Suppose each word is equally likely to occur. What is the probability that you randomlyselect a word where both P’s occur to the left of the first I?

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