SOLUTION: The probabilities that a student will get an A, a B, or a C in a history course are 0.09, 0.15, and 0.53. What is the probability that the student will get a grade lower than C?

Algebra ->  Probability-and-statistics -> SOLUTION: The probabilities that a student will get an A, a B, or a C in a history course are 0.09, 0.15, and 0.53. What is the probability that the student will get a grade lower than C?      Log On


   

Question 1107586: The probabilities that a student will get an A, a B, or a C in a history course are 0.09,
0.15, and 0.53. What is the probability that the student will get a grade lower than C?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
The three add to 0.77.
Everything else is less than a C.
That is 0.23 probability.