Odds vs Probability

Probability and Odds

Lesson 33

Multiple Choice

Which of the following is equivalent to  $$x^{-5}$$  ? 

• $$x^5$$  

• $$-x^5$$  

• $$\frac{1}{x^5}$$  

• $$\frac{5}{x}$$  

Multiple Select

Which of the following is equivalent to  $$\frac{p^{-8}}{q^4}$$  ?  Select all that apply. 

• $$p^{-8}q^{-4}$$  

• $$\frac{q^4}{p^8}$$  

• $$\frac{1}{p^8q^4}$$  

• $$\frac{q^{-4}}{p^8}$$  

• $$-\frac{p^8}{q^4}$$  

Fill in the Blanks

Evaluate the expression for a = 4, b = 6, and c = 3.

$a^0bc^2$  

Multiple Choice

A card is chosen from a deck of cards, replaced, and then a second card is chosen.

• Independent events

• Dependent events

Multiple Choice

A marble is drawn from a bag, kept, and then a second marble is drawn.

• Independent events

• Dependent events

Multiple Choice

A coin is flipped, and a number cube is rolled

• Independent events

• Dependent events

Fill in the Blanks

A coin is flipped and a six-sided number cube is tossed. What is the probability of landing on tails and on an even number?

Fill in the Blanks

A bag contains 4 red blocks and 3 blue blocks. What is the probability of drawing a red block, keeping it, and then drawing another red block?

Fill in the Blanks

A bag contains 4 red blocks and 3 blue blocks. What is the probability of drawing a blue block, keeping it, and then drawing a red block?

Fill in the Blanks

Use the spinner to answer the question.

What are the odds of spinning black?

Fill in the Blanks

Use the spinner to answer the question.

What are the odds against spinning gray?

Fill in the Blanks

Campers select one inside activity and one outside activity

daily. There are 5 inside activities and 8 outside activities. What is the probability of choosing pottery and horseback riding on the first day?

Fill in the Blanks

Campers select one inside activity and one outside activity

daily. There are 5 inside activities and 8 outside activities. Inside activities can be repeated, but outside activities cannot be repeated.

What is the probability of choosing pottery and swimming the second day?