Outcomes and Probabilities of Compound Events

What is the probability that the pointer will stop on an odd number and the coin will land on heads? Write your answer in decimal form.

(a)  

A fair coin is tossed three times in succession. The sample space is shown, where H represents a head and T represents a tail. Find the probability of getting exactly two heads.

The tree diagram shows the sample space of two-digit numbers that can be created using the digits 9, 6, 8, and 7. What is the probability of choosing a number from the sample space that contains both 6 and 7?

The sample space of picking a 2 character password using the letters G, R, O, Y, P, and B where double letters are not allowed is shown. Find the probability of choosing a password with one G and one R.

A single number cube is rolled twice. The 36 equally-likely outcomes are shown to the right. Find the probability of getting two numbers whose sum is 4.

If the outcome of one event does not affect the outcome of the other event, the events are ________?

• Dependent Events

• Independent Events

• Simple Events

• Complementary Events

What is the probability of NOT spinning green on this spinner?

• 1/4

• 3/4

• 1/12

• 5/12

if the outcome of the first event affects the outcome of the second event, then that is a(n) _______________ .

• Independent Event

• Dependent Event

• Complimentary Event

• Tree Diagram

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

• 5/11

• 5/6

• 1/3

• 5

The chance that an event will happen.  A ratio of chance/all chances.

• odds

• probability

• outcomes

• tree diagram