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The complement of an event is all possible outcomes not in the event.  For example: If A = at least 3 girls are born to a family with 6 kids.  Then A' =  A compliment is what happens if there are not at least 3 girls = less than 3 girls born to the family.  A useful formula: P(A) + P(A' ) = 1 or P(A') = 1 - P(A).  If P(A) = 0.194, what is P(A')?

The complement of an event is all possible outcomes not in the event.  For example: If A = at least 3 girls are born to a family with 6 kids.  Then A' =  A compliment is what happens if there are not at least 3 girls = less than 3 girls born to the family.  A useful formula: P(A) + P(A' ) = 1 or P(A') = 1 - P(A).  If P(A) = 0.194, what is P(A')?

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 19E
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The complement of an event is all possible outcomes not in the event. 

For example: If A = at least 3 girls are born to a family with 6 kids. 

Then A' =  A compliment is what happens if there are not at least 3 girls = less than 3 girls born to the family. 

A useful formula: P(A) + P(A' ) = 1 or P(A') = 1 - P(A). 

If P(A) = 0.194, what is P(A')?

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