

Basic Probabilty
Presentation
•
Mathematics
•
10th Grade
•
Medium
Standards-aligned
Katelyn Miller
Used 251+ times
FREE Resource
8 Slides • 12 Questions
1
Basic Probabilty
Today I will be able to do basic probabilities

2
Probability is the chance of something you want to happen, happening.
example: there is a 50% chance of flipping heads on a quarter.
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to find probability, you make a fraction.
top = number of times what you want to happen can happen.
bottom = total number of things that can happen.
4
since there are 12 marbles in the bag, 12 goes on the bottom.
in the first example, you want red. there are 7 red marbles so 7 goes on top.
in the 2nd examples you want blue. there are 5 blue marbles, so 5 is on top.
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the answer can be given as:
- fraction (REDUCE the fraction)
- percent
- decimal
6
Multiple Choice
7
Multiple Choice
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Explaination for previous question:
there are 5 quarters, so 5 goes on the top of the fraction.
there are 11 total coins in the bag.
5+2+4 = 11
answer = 5/11
9
Multiple Choice
10
explaination fro previous question
one side of the coin has "heads" so 1 is the top of the fractoin
there are 2 sides on a coin so 2 is the bottom of the fraction
answer = 1/2
11
Multiple Choice
12
Examination of previous question
there are 3 red marbles.
there are 9 total marbles
3/9 reduces to 1/3
answer = 1/3
13
Multiple Choice
What is the probability of the spinner landing on an even number?
1/8
4/8, or 1/2
2/8, or 1/4
1/3
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Multiple Choice
15
Multiple Choice
16
Multiple Choice
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Multiple Choice
4 yellow, 6 orange, 3 green, 5 blue, 2 brown
What is the probability of selecting a brown candy?
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Multiple Choice
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Multiple Choice
5 green
6 yellow
8 blue
7 brown
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Multiple Choice
Basic Probabilty
Today I will be able to do basic probabilities

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