TEKS.MATH.9-12.V.B.1

A certain brand of TV has a 50% chance of being defective. Which model could be used to determine the probability that when two TVs are chosen, they will both be defective?

• spin a spinner with 4 equal sections
• roll a die twice
• flip a coin twice
• flip a coin, then roll a die

Tags

TEKS.MATH.9-12.V.B.1

What is the probability of spinning red?

• 0
• 5/12
• 1/2
• 3/4

Tags

TEKS.MATH.6.5B

TEKS.MATH.7.6D

TEKS.MATH.7.6E

TEKS.MATH.6.4E

TEKS.MATH.9-12.V.A.1

TEKS.MATH.9-12.V.B.1

Out of the girls surveyed, what is the probability they have blonde hair (in simplest form)?

• 3/10
• 3/20
• 6/19
• 3/5

Tags

TEKS.MATH.9-12.V.B.1

Bag A contains 9 red marbles and 3 green marbles. Bag B contains 9 black marbles and 6 orange marbles. Find the probability of selecting one green marble from bag A and one black marble from bag B.

• 3/20
• 1/4
• 3/31
• 2/27

Tags

TEKS.MATH.9-12.V.B

TEKS.MATH.9-12.V.B.1

Flipping a fair coin in an experiment is a reasonable way to completely randomize in an experiment.

• True
• False

Tags

TEKS.MATH.9-12.V.B.1

What is the probability that someone plays basketball?

• .50

• .68

• .52

• .46

Tags

TEKS.MATH.9-12.V.B.1

Draw one card from a standard deck. Find P(ace)

• 1/13

• 1/4

• 4/13

• 1/52

Tags

TEKS.MATH.9-12.V.B

TEKS.MATH.9-12.V.B.1

According to government data, 22 percent of children in the United States under the age of 6 years live in households with incomes that are classified at a particular income level. A simple random sample of 300 children in the United States under the age of 6 years was selected for a study of learning in early childhood. If the government data are correct, which of the following best approximates the probability that at least 27 percent of the children in the sample live in households that are classified at the particular income level? (Note: z represents a standard normal random variable.)

• 
• 
• 
• 
• 

Tags

TEKS.MATH.9-12.V.B.1

A coin is tossed twice. The probability of getting both heads is

• $\frac{1}{2}$

• $\frac{1}{3}$

• $\frac{1}{4}$

• 1

Tags

TEKS.MATH.9-12.V.B.1

You pick a marble from this bag.
What is the probability you will choose either a black or white marble?

• 3/5
• 9/100
• 1/10
• 2/5

Tags

TEKS.MATH.9-12.V.B.1