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.
Algebra.Com
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) (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
RELATED QUESTIONS
probability of guessing the correct answer to a certain question is x/2. if probability... (answered by ewatrrr)
the probability of guessing a correct answer is x/2. if the probability of not guessing... (answered by Fombitz)
The question is : The probability of guessing the correct answer to certain question is... (answered by Fombitz)
the probability of guessing the correct answer to certain question is x/2 . if... (answered by Fombitz)
What is the probability of guessing the correct answer on a multiple choice question... (answered by shree840)
Hello, I'm having some problems related to test exams and probability. Say you have a... (answered by EdwinParker)
What is the probability of guessing 2 multiple choice questions correct if each question... (answered by mathmate)
2. A Spanish examination includes 5 True or False questions. The probability of a student (answered by stanbon)
A test has 5 true/false questions. What is the probability of guessing the correct answer (answered by harpazo)