Abag contains 4 blue marbles, 2 black marbles, and 3 red marbles. if a marble is randomly drawn from the bag, what is probability that it is not black?

a.)1/2
b.)2/9
c.)5/9
d.)7/9
e.)14/19

Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

The following division is being performed using multiplication by the reciprocal find the missing numbers is 5/12 divided by x/3 equals 5/12 times x/10 equals 1/x