Concept explainers
You spin a spinner that has 12 equalized sections numbered 1 to 12. Find each probability,
P (3 or 4)
Find the probability :
P(3 or 4)
Answer to Problem 1P
Explanation of Solution
Given:
You spin a spinner that has 12 equal-sized sections numbered 1 to 12.
Formula Used:
P(A or B) = P(A) + P(B) , if A and B are mutually exhaustive events, that is if both don’t have anything in common.
Calculation:
Total number of sections = 12
Number of favorable outcomes for 3 = 1
Number of favorable outcomes for 4 = 1
Since getting a 3 and getting a 4 are mutually exhaustive events, so,
Chapter 12 Solutions
High School Math 2012 Common-core Algebra 1 Practice And Problem Solvingworkbook Grade 8/9
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