00:01
Hi, i'm david and i'm hit you have you answer your question.
00:04
Now let me pick up your question here.
00:07
In this question is a company manager for abc corporation that is 0 .4 probability that you will be promoted this year.
00:19
So i will call the a stanford promoted and then the probability 0 .702 that you will get promotion, a raise, i will call the b, or both.
00:35
And then we can rewrite this as a notation that probability the a equals 0 .4.
00:43
For the second one, it means that probability that a or b equal to the 0 .72.
00:51
Now the last one, the probability i'm getting a promotion and a raised, so means that probability the a intersection b.
01:01
Equal to the 0 .25.
01:04
And this will be the information the question gives us.
01:07
Now if you get a promotion, so the question a, what is the probability you get also a raise? so the question i can ask you find the probability that when you get the raise b, given that you only get the promotion b here...