SOLUTION: if a plate of a car consists of two letters and four digit number and one car is chosen at random then find the probability that car has the letter at the begining and at the end
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Question 579314: if a plate of a car consists of two letters and four digit number and one car is chosen at random then find the probability that car has the letter at the begining and at the end Answer by edjones(8007) (Show Source):
You can put this solution on YOUR website! LDDDDL
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6!/(4!*2!)
=(6*5*4!)/4!*2
=(6*5)/2
=15 ways of arranging 4 numbers and 2 letters when what the letters and numbers are is immaterial.
1/15 the probability that car has the letter at the begining and at the end.
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Ed
