Probability Review - Math 7

How do you write 0.02 as a percent?

• 20%
• 200%
• 2%
• .02%

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

• 2/7
• 5/49
• 5/7
• 10/49

P(not A) = 
*Remember to simplify.*

• 6/8
• 3/4
• 2/8
• 1/4

Tags

CCSS.HSS.CP.A.1

The chart above represents the number of marbles in a jar. Find the P(green) 

• 5/19
• 10/28
• 5/14

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

Find the experimental probability of spinning Letter Q.

• 15/15
• 3/10
• 3/50
• 7/10

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

• 1/2
• 1/4
• 1/6
• 1/8

• 1/48
• 1/6
• 1/8
• 1/24

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles.
Cindy picks two marbles with replacement. Find the P(purple, purple)

• 5/10
• 10/10
• 1/2
• 1/4

A farm has 5 brown cows and 10 white cows. A fence is open and one cow escapes, comes back and another escapes.
What is the probability that it will be a brown cow, then a white cow?

• 1/9
• 2/9
• 5/21
• 10/21