PreCalc Section 9-3

If two 6-sided dice are rolled, what is the probability that the sum is 5?

• 1/9

• 4

• 8/9

• 5/6

Give the probability that the roll of a die will show 3 or 4.

• 1/3

• 1/2

• 2

• 2/3

Tags

CCSS.7.SP.C.7B

If two 6-sided dice are rolled, what is the probability that the sum is greater than 9?

• 6

• 1/12

• 1/6

• 1/4

A coin and a six-sided die are tossed. What is the probability of getting heads and a number less than or equal to 2?

• 1/3

• 1/6

• 5/6

• 1/12

If there are 8 questions on a multiple choice test with 4 options what is the probability of randomly answering all of the questions right?

• 2

• 0.000015

• 0.21

• 0.0039

An experiment is conducted for which the sample space is shown. Decide if the given probability function is valid.

• yes

• no

• not enough information

Tags

CCSS.7.SP.C.7B

A and B are events in a sample space S such that P(A) = .45, P(B)=.24, and P(A and B) = .15. Use a Venn diagram to find the probability that A occurs but B does not.

• .09

• .60

• .30

• .39

Tags

CCSS.HSS.CP.A.1

The distribution of B.A. degrees at local college by major.

Major Frequency

English 2073

Mathematics 2164

Chemistry 318

Physics 856

Liberal Arts 1358

Business 1676

Engineering 868

Total 9313

What is the probability that a randomly selected degree is not in Mathematics?

• 0.768

• 0.682

• 0.303

• 0.232

Tags

CCSS.7.SP.C.7B

Suppose you receive a shipment of 36 iPads, three of which are defective. What is the probability of picking a sample of 6 iPads with two bad iPads in it? (Round approximations to the nearest thousandth.

• 0.190

• 1.000

• 0.021

• 0.063

Tags

CCSS.HSS.CP.B.9

A 5-card hand is dealt from a deck of 52 cards. What is the probability that

a) all are hearts?

c) exactly 2 are spades?

• a) 0.000495 b) 0.003516

• a) 0.000495 b) 0.27428

• a) 0.00198 b) 0.003516

• a) 0.00198 b) 0.00003

Tags

CCSS.HSS.CP.B.9