Exam 2 Review

For two events to be ________ means that the occurrence of one does NOT affect the probability of the other.

• Independent

• Dependent

• Mutually Exclusive

For two events to be ____________ means that the occurrence of one DOES affect the probability of the other.

• Independent

• Dependent

• Mutually Exclusive

___________ events have no outcome in common.

• Independent

• Dependent

• Mutually Exclusive

Independent or Dependent?: Drawing a king and then drawing a queen without replacement from a standard deck of cards.

• Independent

• Dependent

Independent or Dependent?: Drawing a king and then drawing a queen with replacement from a standard deck of cards.

• Independent

• Dependent

Independent or Dependent?: Rolling an even number on a standard die and then rolling another even number on the next roll.

• Independent

• Dependent

Independent or Dependent?: Rolling a 6 on a standard die and then rolling a sum greater than 10 when counting the next roll.

• Independent

• Dependent

Independent or Dependent?: Rolling a sum of 4 from the first two rolls of a standard die and a sum of 12 from the second two rolls.

• Independent

• Dependent

Assume that event A occurs with probability 0.25 and event B occurs with probability 0.62. Assume that A and B are mutually exclusive events.

What is the probability that both events occur?

• 0.155

• 0.87

• 0.715

• 0

Assume that event A occurs with probability 0.25 and event B occurs with probability 0.62. Assume that A and B are mutually exclusive events.

What is the probability that A or B occurs?

• 0.155

• 0.87

• 0.715

• 0