Random- an event in which every outcome has an equal chance of occuring.
eg. fliping a coin.
-spinning a spinner with equal size options.
-rolling a die
-selecting a card
eg spinning a spinner with unequal size options.
Goldilocks sits on chairs and eats porridge.
how many possible outcomes are there?
-there are nine possible outcomes.
Does goldilocks choose the chair and porridge at random?
explain your answer.
-No because she has choice and preference.
what is the probability goldilocks chooses the just right chair and the just right porrridge
-there is a 100% chance the she will pick it because it is just right.
here is a link on random.http://www.youtube.com/watch?v=bpKarwfDRIk
A marble is randomly selected from a bag containing one blue, one red, and one green. Then a four sided die labelled 1,2,3,and 4 is rolled.
A) create a table to show sample space.
B) what is the probability of choosing any colour and number but 3.
C)what is the P(blue or green, a number greater than one.)
D) what is the P(black, 1)