Flip, Flip, Flip, the Coin
How many sides does a coin have?
2
What does the probability scale start with?
0
the measure of likelihood or chance
What is the probability of Mrs Mac randomly choosing the yellow counter?
1/4, 0.25 or 25%
What are the two outcomes of flipping a coin?
Heads and Tails
What does the probability scale end with?
1 or 100%
What are equally likely outcomes?
Outcomes that have an equal chance of occuring
What is P(green)?
0 or impossible
The probability of getting heads on a coin.
50%, even chance, 1 out of 2
0.5 or 50%
What is an event?
A collection of outcomes
1/4
What are the possible outcomes if you flip two coins at the same time?
heads and heads
heads and tails
tails and heads
tails and tails
On your whiteboard, draw a probability scale and draw an arrow where an unlikely event might be
Mrs Mac to check
What is expected frequency?
As a percentage, what is P(red or yellow)
50%
What is the probability of getting heads if you flip two coins?
1/4 or 25%
On your whiteboard, draw a probability scale and draw an arrow where a highly likely event might be
Mrs Mac to check
What is observed frequency?
The amount of times an event actually occurs when you do an experiment
As a decimal, what is P(not blue)
0.75