Posted by **Sharon** on Friday, October 2, 2009 at 6:48pm.

At a certain college, 15% of the students received an A in their required math course, 10% received an A in their required Chemistry course, 5% received an A in both. A student is selected at random.

a.) What is the probability tha he receieved an A in either Chemistry or Math?

b.) What is the probability that he received an A in Chemistry, if he had an A in math?

c.) What is the probability that he receieved an A in math, if he had an A in chemistry?

d.) Are the events "A in math" and "A in chemistry" independent? Explain.

## Answer This Question

## Related Questions

- statistics - At a certain college, 15% of the students received an A in their ...
- statistics - At a certain college, 15% of the students receieved an A in their ...
- basic statistics for the behavioral sciences - there are 80 students enrolled in...
- Finite Math - Fifty percent of students enrolled in calculus class have ...
- Research Methods - A researcher wants to attain a random sample of young drivers...
- Discrete Math - 12 A computer science department has a probability of 0.35 that ...
- math - Seven students took a quiz. Four of these students received a score above...
- MATH - Seven students took a quiz. Four of these students received a score above...
- Math - Seven students took a quiz. Four of these students received a score above...
- statistics - Last semester, a certain professor gave 23 As out of 279 grades. If...

More Related Questions