Get the information you need quickly and easily with IDNLearn.com. Discover in-depth and trustworthy answers to all your questions from our experienced community members.

patryk rolls two standard number cubes 45 times. predict how many times he will roll a sum of 4

Sagot :

There are three ways to get a sum of 4 out of 36 possible die roles, so he gets a 4 1/12 of the time.  Thus, the expected value is 45/12=3.75, so the most likely amount is 4 times.