SOLUTION: the probability of guessing right answer to a question is y\12.if the probability of not guessing the correct answer is 3/4,then find the value of y.

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Question 847444: the probability of guessing right answer to a question is y\12.if the probability of not guessing the correct answer is 3/4,then find the value of y.
Answer by swincher4391(1107) About Me  (Show Source):
You can put this solution on YOUR website!
These are complements and so their resulting probabilities add up to 1.

3/4 + y/12 = 1
y/12 = 1/4
y = 12/4 = 3