warm up. conditional probability & compound events may 15 th, 2014
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Warm Up
Conditional Probability &Compound Events
May 15th, 2014
Important Vocabulary!
Mutually Exclusive & Overlapping Events
𝑷 ( 𝑨∪𝑩)=𝑷 ( 𝑨 )+𝑷 (𝑩 )−𝑷 (𝑨∩𝑩)
Example
Example
Example
Independent Events
Example
Example
Example
NC Common Exam Question
Dependent Events
Example
Example
“Given”• The probability of A given B
• The probability of B given A
Example• A math teacher gave her class two tests. 25% of the
class passed both tests and 42% of the class passed the first test. What percent passed the second test given they passed the first test?
Half Sheet• Complete the questions on the half sheet with
your partner.
Homework• Worksheet
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