Prove from the basic rules thatPr(A) + Pre-A) = 1. 3 Multiplying. Prove from the definition of statistical independence that if 0 Pr(A), and0 Pr(B), and A and B are statistically independent,Pr(A&B) = Pr(A)Pr(B).4 Conventions. In Chapter 4, page 40, we said that the rules for normality andcertainty are just conventions.
+1 vote! You should boil a mouthpiece for 30 seconds, then put it in cold water for three seconds, then bit down on it and suck on it. Then put it in cold water to set it. +1 vote! To ensure a mouthpiece does not melt you should first boil you water then let it sit for 30 seconds. Next, put the mouthpiece in the water for no longer than 10 seconds. You should now be able to safely place it in your mouth. add a comment.
A large pot full of potatoes (4-quart size or so), should boil potatoes to a ready-to-eat tenderness in about 25 minutes. You will want to check the potatoes every 5 minutes or so after the first 15 minutes to see if they are fork-tender.. Add 1 or 2 teaspoons of salt to the water before starting to cook. 2  Bring the water and potatoes to a boil then reduce heat to low. 3  Cover, and simmer for 15 to 30 minutes or until fork-tender.