An integer is randomly selected from the integers from 200 to 900 inclusive.

A coin is tossed 3 times.

A bag has 20 marbles that are either black or white.

The probability of event X occurring is the same as the probability of event Y occurring. The events occur independently of each other.

An integer x is selected at random from the set {17, 21, 23, 25, 27, 30, 33}.

A jar contains 3 red and 2 white marbles. Two marbles are picked without replacement.

A jar contains 3 red, 5 green, 2 blue, and 6 yellow marbles. A marble is chosen at random from the jar. After replacing the first marble, a second marble is chosen.

ABCD is a square, AD = 6, EB = 6 − 2b, the triangle is isosceles, and the probability that a randomly selected point in square ABCD will be in the shaded triangle is .

One bulb is to be selected at random from a box of 80 bulbs. Probability that the bulb selected will be defective is 5/8 , and the probability that the selected bulb will be defective and rejected is 3/16. All bulbs not rejected are sold

2 cards are drawn at random (with replacement) from six cards numbered from 1 to 6 such that the sum of the numbers on the cards is 6.