11 th Honors quiz 3 Q3

What is the probability that a randomly selected student speaks Spanish or German?

• 0.78

• 0.22

• 0.72

• 0.50

A spinner has 8 equal sections numbered 1 to 8. What is the probability of the spinner stopping on a number that is a multiple of 3 or a number that is greater than 5?

• 1/7

• 1/12

• 5/8

• 1/2

What is the probability of the arrow stopping on a consonant or one of the first 4 letters of the alphabet?

• 5/6
• 1/36
• 1/3
• 1/6

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.7

The set of all possible outcomes is called

• the sample space.

• the probability.

• the fundamental counting principle.

• subjective probability.

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.MD.A.1

CCSS.HSS.MD.A.3

If the probability of one event occurring will change the probability that a second event will occur, those events are called

• independent events.

• dependent events.

• disjoint.

• mutually exclusive.

If two characteristics cannot occur in one event simultaneously, those characteristics are called

• disjoint.

• independent.

• dependent.

• sample space.

If an event is impossible, its probability is

• 0.

• 1.

• disjoint.

• 1/2.

If an event is certain, its probability is

• 0.

• 1.

• disjoint.

• 1/2.

Which of these is correct probability notation for "at least 9"?

• P(x < 9)

• P(x > 9)

• P(x < 9)

• P(x > 9)

Which of these is correct probability notation for "at most 9"?

• P(x < 9)

• P(x > 9)

• P(x < 9)

• P(x > 9)