Probability Review

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

• 1/2
• 1/4
• 1/6
• 1/8

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

In a standard deck of 52 cards there are 13 diamonds and 13 hearts (red) and 13 spades and 13 clubs (black).  Find the probability of choosing a card at random that is a spade OR a 7

• 1/52
• 1/13
• 4/13
• 17/52

A coin is flipped and a die is rolled. What is the probability that the coin lands heads up and the number rolled is 1?

• 6.3%
• 25.0%
• 8.3%
• 2.8%

Find the number of possibilities:
A team of 17 softball players needs to choose three players to refill the water cooler.

• 272
• 4080
• 680

₁₂P₂

• 2
• 12
• 24
• 132

A group of 40 people are going to run a race.  The top 6 finishers advance to the finals.

• 2866425
• 1919190
• 3838380
• 2568929

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 red or blue?

• 5/6
• 1/2
• 1/3
• 1/6

Clara brings a box of donuts to work that contains one donut in each flavor. First the secretary chooses one. Then the office manager makes a selection. Is this even dependent or independent?

• Dependent
• Independent

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.4

CCSS.HSS.CP.B.8

Classify each pair of events as dependent or independent. 
Roll a number cube. Then toss a coin.

• Independent
• Dependent