Angus goes to one of two coffee shops in his home town. He goes to Tarbucks 64 % of the time and otherwise goes to Costly Coffee. Either way, he buys a latte 67 % of the time, regardless of which place he chose.
Part a)
You are told that Angus went into town for a coffee today. What is the probability (to 3 decimal places) that he had a latte at Tarbucks?
Part b)
Are the two events that gave the joint probability in (a) independent of each other?
A.
No
B.
Yes
Part c)
Given that Angus had a latte in town, what is the probability (to 3 decimal places) that he drank at Costly Coffee?
Part d)
What is the probability (to 3 decimal places) that Angus went to Tarbucks or had a latte or both?
You can earn partial credit on this problem.