Theoretical Simple Probability (TSP)
Probability of rolling a 3? On a 6-sided dice
P(Heads OR Tails) = 2/2 is an example of _____ probability
Simple
Probability of rolling a 2 AND a 4? on a six sided dice
1/6 * 1/6 = 1/36
There are 2 lamps and 3 desks and 4 chair options to choose from at the store. How many total combinations are there?
2*3*4 = 24
Yen's probability of getting an A in class is 0.75, what word could we use to describe this probability?
Likely
Probability for rolling an odd number?
3/6 = 1/2
Simple Probability: P(option)= ________ / _______
P(option) = option we want / total options
What is the probability of getting an ODD number on a DICE AND TAILS
3/6*1/2 = 3/12 or 1/4
There are 3 Noodle, 2 Broth, and 3 meat options to choose from. How many different combinations are there?
3*2*3 = 18
Curtis's probability of spinning a blue on a spinner is 5%, what word could we use to describe this probability?
Unlikely
Probability of flipping a coin and getting heads or tails?
2/2 or 1
To find the compound probability of two events you _____________ across.
Multiply!
Probability of getting HEADS AND THEN TAILS AND THEN HEADs on a coin toss?
1/2*1/2*1/2 = 1/8
How many different 3 letter combinations are there using the letters A,B,C,D,E
5*5*5 = 125
Henry's probability of being at school tomorrow is 0.95 , what word could we use to describe this probability?
Likely
Probability of picking the number 3 out of a 52 card deck (there are 4 "3"s)
4/52
P(Tails AND Heads) = 1/2*1/2 = 1/4 is an example of _____ probability
Compound
Find the compound probability of rolling a 3 OR 4 on a 6-sided dice AND getting HEADS from a coin flip
2/6*1/2 = 2/12
How many different combinations of groups of 4 students are there in class? (22 students in class)
22*21*20*19 = 175560
Athena's probability of winning the lottery is 0.00, what word could we use to describe this probability?
Impossible
Probability of picking a RED ball out of a bag of 4 Red balls, 5 blue balls and 3 green balls
4/12 or 1/3
To find total outcomes you ____. Example: 2 drink options and 3 dessert options there are ____ total outcomes
Multiply , 6
A bag has 2 YELLOW and 3 RED marbles, what is the probability of picking a YELLOW AND THEN RED WITHOUT REPLACEMENT
2/5*3/4 = 6/20
Draw a Tree Diagram showing: 2 RICE OPTIONS (White OR Brown), then 3 Meat options (Pork, Chicken or Beef), then 2 drink options (Water or Tea). How many different combinations are there?
Correct Diagram
12 options
Bradley's probability of winning the raffle is 1/2, what word could we use to describe this probability?
Equally