Three dice are thrown, and the event is: (a) the sum of the points is 2; (b) the sum of the points is 10; (c) the sum of the points is at least 10; (d) the point 6 occurs at least once. An urn...

Three dice are thrown, and the event is: (a) the sum of the points is

2; (b) the sum of the points is 10; (c) the sum of the points is at least

10; (d) the point 6 occurs at least once.

An urn contains five white, seven black, and 10 green balls. One ball

is drawn from the urn. The event is: (a) the ball is white; (b) the ball

is not green.