What is the probability that outcome of rolling a standard six-sided cube will not be 3?

Triangle knm is what is true about the sides of knm

Which term describes the point where the perpendicular bisectors of the three sides of a triangle intersect?

How do you find p(a and b) if a and b are independent events for two or more actions, such as tossing a coin twice and finding p(heads and heads)? 2. how do you find p(a or b) if a and b are independent events for one action, such as spinning a four-color spinner once and finding p(red or blue)?