Interactive practice questions
Are the following events complementary?
Event A: Selecting a positive number.
Event B: Selecting a negative number.
Complementary
Not complementary
Event A: Drawing a red card from a standard deck of cards (no jokers).
Event B: Drawing a black card from a standard deck of cards (no jokers).
Complementary
Not complementary
Event A: Drawing a club from a standard deck of cards (no jokers).
Event B: Drawing a spade from a standard deck of cards (no jokers).
Complementary
Not complementary
Event A: Rolling a number greater than 3 on a die.
Event B: Rolling a number less than 3 on a die.
Complementary
Not complementary
Are the following events complementary?
A bag contains 34 red marbles and 35 blue marbles. If picking a marble at random what is:
A six-sided die is rolled. Calculate: