34GR Revision Fun

Best explain the term PROBABILITY.

• The certainty of an event happening
• Measure of the likelihood of an event occurring
• The number of times an event has occurred
• The measure of the size of an event

Where would these labels best fit on this line?

a

b

c

d

e

Even Chance

Unlikely

Likely

Impossible

Certain

How many possible outcomes are there tossing these two coins?

a

b

c

e

Tails and Tails

Heads and Tails

Head and Head

Tails and Heads

Head and shoulders

The number of possible outcomes tossing 1 coin (a)  

• 2
• 1
• 1/2

The probability of getting heads if I throw 1 coin is?

• Unlikely

• Impossible

• Even Chance

• Likely

It is of ​ (a)   importance that you hear my warning, why you ​ (b)   never use fake spider web at Halloween.

• vital
• must
• no
• maybe
• ok
• yes

A ball is taken from the bag without looking. Which is most likely to be pulled out?

a

Blue

Green

Red

Blue and Green

Miss Nash throws a coin 4 times and records Heads, Tails, Tails, Tails what is the chance she will throw tails next?

• Impossible

  you cant throw four tails in a row.

• Unlikely

  she's going to lose Heads all the way.

• Definitely

  she is pretty lucky.

• Even Chance

  I won't know till she throws.

Pick the best answer that explains PROBABILITY?

• Probability is a measure of the number of possible outcomes.
• Probability is a measure of the certainty that a specific event will occur.
• Probability is a measure of the average of all possible outcomes.
• Probability is a measure of the likelihood that a specific event will occur.

Tally marks are a what?

• Graphical notation
• Symbolic notation
• Alphabetical notation
• Numerical notation