<PRE><B>Question 276120</B>
many radio ststions in the united states have call letters that begin with a W or a K and have four letters. 
how many arrangements of four leeters are possible as call letter?
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1st letter 2 ways
2nd letter 26 ways
3rd letter 26 ways
4th letter 26 ways
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Total # of possible arrangements: 2*26^3 = 35152 
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what is the probility of having call letters KIDS?
Ans: 1/35152
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Cheers,
Stan H.
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