Probability of independent events  Probability
Probability of independent events
Probability is everywhere in our daily life. Do you know your chances of winning a specific prize in a spinning wheel prize draw? How about the odd to get the same prize two times in a row? By applying the concept of probability of independent events, we can easily answer these questions.
Basic concepts:
 Determining probabilities using tree diagrams and tables
Related concepts:
 Influencing factors in data collection
 Data collection
 Probability
Lessons

a)
Differences between independent events and dependent events

b)
Addition and multiplication rules for probability

c)
Experimental probability VS. Theoretical probability


2.
A spinner divided in 4 equal sections is spun. Each section of the spinner is labeled 1, 2, 3, and 4. A marble is also drawn from a bag containing 5 marbles: one green, one red, one blue, one black, and one white. Find the probability of:

3.
A coin is flipped, a standard sixsided die is rolled; and a spinner with 4 equal sections in different colours is spun (red, green, blue, yellow). What is the probability of:

4.
A toy vending machine sells 5 types of toys including dolls, cars, bouncy balls, stickers, and trains. The vending machine has the same number of each type of toys, and sells the toys randomly. Don uses a fiveregion spinner to simulate the situation. The results are shown in the tall chart below:
Doll
Car
Bouncy Ball
Sticker
Train




