CH 7 Probability

On a 6-sided die, which is more likely?

• Rolling an odd number
• Rolling an even number
• They are both equally likely.

Tags

CCSS.7.SP.C.5

Six of the 6 numbers are greater than 0. Spinning a number that is greater than 0 is...

• impossible

• unlikely

• as likely as not

• likely

• certain

Tags

CCSS.7.SP.C.5

What is the probability of flipping a coin and getting tails? Write as a fraction or percent.

A bag has 3 red marbles, 2 blue, 4 green and 1 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 3/9

• 1/9

• 1/3

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be blue? Write as a fraction or percent

The probability of it raining today is 25%. What is the probability that it will NOT rain?

• 15%

• 75%

• 50%

• 75%

An event that consists of two or more events

•  event
• dependent events
• experiment
• compound event

Tags

CCSS.7.SP.C.8

Lucy has the spinner pictured and spins it twice in a row. What is the probability that she lands on blue first and then on green?

• 1 / 16
• 1 ⁄ 6
• 1 ⁄ 8
• 3 ⁄ 4

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

What is the probability BOTH events occur? Write as a fraction or percent

You flip a nickel three times.

Find the probability that ALL THREE flips will land on tails. *Hint: 3 events

• 1/2

• 1/4

• 1/6

• 1/8