Law of total probabilities - Law of total probabilities...

Law of total probabilities
Download Document
Showing pages : 1 of 5
This preview has blurred sections. Sign up to view the full version! View Full Document
Law of total probabilities Archie is taking a course in probability theory. Discussion sessions with the class TA (teaching assistant) conflict with Archie's trips to the beach. Archie has to decide between attending TA sessions, which might help him do better in the probability course, and going to the beach. Archie learns that % of past students who did not attend TA sessions received a grade of B or below in the course. Archie also learns that % of past students received a grade higher than B. After some thought, Archie decides to attend the TA sessions. Not all of his classmates share his decision; in fact, only out of every of his classmates attend discussion sessions with the TA. Compute the probability that Archie will receive a grade higher than a B in the course. Round your answer to two decimal places. (If necessary, consult a list of formulas .) We'll examine the information in the above paragraph. We'll write for the event "achieves a grade higher than a B." We are told that the probability of this event is . We'll write for the event "meets in discussion sessions with the TA," and we'll write for the complementary event. We are told that
Background image of page 1
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Create a FREE account now to get started. Log In

The email address you entered is not valid. The email address you provided is already in use.
Your username must be at least 5 characters. Your username must consist of only alphanumeric characters. Your username must contain at least one letter. Your username contains inappropriate language. Another user has already claimed this username.
Your password must be at least 6 characters in length.
{[ $select.selected.label ]} Please select a valid school.
By creating an account you agree to our Privacy Policy, Terms of Use, and Honor Code.
Create my FREE account Processing...
Sign Up with Facebook

We will never post anything without your permission.

Already on Course Hero? Log In