VIDEO
• https://www.khanacademy.org/math/probability/probabilitygeometry/probability-basics/v/making-predictions-with-probability
THEORETICAL PROBABILITY
FINDING A THEORETICAL
PROBABILITY
USING A THEORETICAL
PROBABILITY
DETERMINE THE THEORETICAL
PROBABILITY
USING A THEORETICAL PROBABILITY
(SET UP A PROPORTION)
USING A THEORETICAL PROBABILITY
(SET UP A PROPORTION)
• The theoretical probability that you randomly
choose a red marble from a bag is 5/8. There
are 40 marbles in the bag. How many are red?
USING A THEORETICAL PROBABILITY
(SET UP A PROPORTION)
USING A THEORETICAL PROBABILITY
(SET UP A PROPORTION)
A FAIR EXPERIMENT
MAKING A PREDICTION
• You and your friend play the
game.
• (a) Is the spinner fair?
• (b) Is the game fair?
• (c) Predict the number of
turns it will take you to win.
(Set up a proportion)
MAKING A PREDICTION
HW OR EXTRA TIME IN CLASS
•RPJ Pages that everyone ripped out
last week page 214.
•Due back tomorrow along with 9.1
from Thursday.