Probability Review

Probability is ...

• the chance that some event will occur.
• a game that involves coins.
• a guarantee.

Tags

CCSS.7.SP.C.5

Probability can be written as ...

• a fraction
• a decimal
• a percent
• all of the above

Tags

CCSS.7.SP.C.5

What is the probability of rolling a cube and having it land as a six?

• 1/6
• 5/6
• 1/3
• 1/2

Tags

CCSS.7.SP.C.5

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

• 3/4
• 1/3
• 1/2
• 2/5

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

What is the probability of spinning the spinner and having it land on RED?

• 33%
• 50%
• 12%

Tags

CCSS.7.SP.C.5

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?

• 3/10
• 3/9
• 1/9
• 1/3

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Which event is not a dependent event?

• Picking 2 students to each be line leader and door holder from a group of 20 students
• Picking 2 marbles from a bag without replacing the first marble
• Picking 2 crayons from a box at the same time (simultaneously) 
• Picking an earring, replacing it, then picking a 2nd earring

You flip a nickel three times.
Find the probability that all flips will land on tails.

• 1/2
• 1/4
• 1/6
• 1/8

You roll two die.
What is the probability you will roll a 4, then roll a number less than 3?

• 1/36
• 1/18
• 1/9
• 1/6

Clara picks a card at random, puts it back, and then picks another card at random.

• Independent
• Dependent

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.8