Probability Review

How many alpha-numeric codes can be made when choosing from any English letter for the first, any digit for the second place, a digit less than 3 for the third place, and an odd digit for the last place?

• 3510 codes
• 2600 codes
• 2340 codes
• 3900 codes

You spin this spinner 3 times.
Find the probability of these 3 events.
P(red, odd, 3)

• 1/216
• 1/72
• 1/36
• 1/12

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A farm has 5 brown cows and 10 white cows. A fence is open and two cows escape. What is the probability that it will be a brown cow, then a white cow?

• 1/9
• 2/9
• 5/21
• 10/21

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A store sells shirts that are either small, medium, or large. The colors are either red, blue, green, or white. What is the probability someone will select a large green shirt?

• 1/3
• 1/7
• 1/9
• 1/12

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

In a drawer, there are 6 white socks, 4 black socks, and 2 brown socks. You pick out a sock, replace it, then pick out a 2nd sock. What is the probability that you will pick a brown, then black sock?

• 1/11

• 1/18

• 1/36

• 2/33

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

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

• 2/27
• 6/81
• 1/6
• 1/12

The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown.
What is the odds of selecting a brown candy?

• 9 : 1
• 1 : 10
• 10 : 1
• 1 : 9

There are four pennies, six nickels, and two quarters in a pocket. What are the odds of NOT drawing out a quarter?

• 1:5
• 1:1
• 5:1
• 1:3

How many 3 - digit codes can be made using any digit but digits cannot be repeated?

• 6 codes
• 1000 codes
• 720 codes
• 504 codes