Math Storyboard

Updated: 6/25/2020

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A Math Project for the End of the Year.

- Hey, Johnny!
- Hey, Derek! What's your question?
- What can you tell me about probability?
- Aw, what?
- I am failing math, though..
- Sure! Probability is the likelihood of something happening.
- Mike, pay attention.
- What's an example?
- Might as well hear what the nerd has to say.
- If you take out a red candy out of a bag of 4 different color candies, the probability is 1/4. 1 red candy out of 4 different color ones. Probability is expressed as a fraction.
- 4x-7=5, numbers, variables and operators used together to show the value of something is an expression
- But what if there are two or more events happening after each other?
- That's what we call compound probability. It's the opposite of simple probability, with only one event.
- I've heard of two types of compound probability. What are they?
- They are independent and dependent.
- Independent probability is when there are two or more events happening that do not affect each other. And dependent probability is when the events do affect each other.
- Wow! Now if I get a probability problem in math class, I'll know what to do! Thanks!
- Huh?
- Imagine you have that bag of candies. You take out one red one, put it back, and then take a blue one. Each time you take out 1 candy out of 4 total ones. 1/4. Multiply those probabilities together, and you get 1/16.
- However, let's say you didn't put back the red candy. Now, if you take a blue candy, it is 1/3, since one candy out of 4 total ones is gone. 1 blue candy over 3 total ones. Multiply 1/4 times 1/3 and you get 1/12.