You throw two dice at the same time. The first die shows and we don't know what the other die shows. Then what is the probability that the sum of outcomes of the two dice is
If two exclusive events and satisfy
what is the value of ?
There are two identical boxes and In box there are two red balls and one white ball. In box there are three red balls and two white balls. If you randomly chose one box and drew a white ball out of it, what is the probability that you chose box
When you roll two fair dice and the product of the values is four, what is the conditional probability distribution for the value of the first dice? Represent it in the form of
Justin is taking out balls one by one from a box which contains red balls and blue balls. After he takes out balls from the box, he checks their colors: red and blue. What is the probability that the first ball he took out was red?