Basic Probability

What is the definition of probability?

• The likelihood of an event occuring.

• A part to part relationship comparing different events.

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CCSS.7.SP.C.5

A probability of 1 means that an event is...

• Impossible (Will never happen)

• Certain (Will always happen)

• Unlikely (Probably not going to happen)

• As Likely as Not (Equally likely to happen)

Tags

CCSS.7.SP.C.5

Probability can be expressed as a number between _____ and _____.

• 0 and 100

• 0 and 10

• 0 and 1

• -1 and 1

Tags

CCSS.7.SP.C.5

What is the probability of spinning green?

• 0

• $\frac{1}{4}$

• $\frac{1}{2}$

• $\frac{3}{4}$

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

What is the probability of rolling a cube and having land as an odd number?

• $\frac{3}{4}$

• $\frac{1}{3}$

• $\frac{1}{2}$

• $\frac{2}{5}$

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than "A" from the bowl. 

•  $\frac{2}{7}$  

•  $\frac{5}{49}$  

•  $\frac{5}{7}$  

•  $\frac{6}{7}$  

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7