Concept explainers
You spin a spinner that has 12 equalized sections numbered 1 to 12. Find each probability.
P(odd or greater than 4)
Find the probability :
P(odd or greater than 4)
Answer to Problem 9P
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) − P(A and B)
Calculation:
Total number of sections = 12
Number of favorable outcomes that are odd = 6 ={1,3,5,7,9,11}
Number of favorable outcomes that are greater than 4= 8 = {5,6,7,8,9,10,11,12}
Number of favorable outcomes that are odd and greater than 4= 4 = {5,7,9,11}
Chapter 12 Solutions
High School Math 2012 Common-core Algebra 1 Practice And Problem Solvingworkbook Grade 8/9
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