7th Grade Probability

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

• certain
• impossible 
• unlikely 
• equally likely 

What is the probability of spinning the spinner and landing on the 7?

• impossible
• equally likely 
• unlikely 
• very likely 

The probability of Asher's soccer team winning its next game is 7/10.  What is the probability of not winning their next game?

• unlikely
• 3/10
• 1/2
• impossible

If I flip a coin 10 times, how many times should I get heads?

• 1
• 10
• 3
• 5

If I flip a coin 10 times, how many times should I get heads?

• 1
• 10
• 3
• 5

Experimental Probability is:

• What Will happen 
• What actually happens
• What should happen
• What I think Happens

Theoretical Probability is?

• What Should happen
• What does happen
• What Will Happen
• What I want to Happen

What is the probability of flipping a coin and getting heads?

• 1/2
• 1/3
• 1/4
• Never, Tails never fails.

A compound event is..

• an event that directly causes another
• the probability of all the outcomes
• 1 event that creates 2 results
• when 2 or  more independent events work together

At a middle school, the 7th graders will conduct a survey for where to go on a field trip. Which method will result in the least biased decision?

• to randomly ask 8th grade students who went on a field trip last year
• to randomly choose some 7th grade students to select a location
• to ask all 7th grade teachers and administrators for a location
• to ask the student council to choose a location