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Quiz9Solutions1

Quiz9Solutions1 - Statistics Quiz#9 The Supplement and...

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Statistics Quiz #9: The Supplement and Chapter 15 Please Show All Work!!!!! 1. The following table shows the actual data for My Fall 2009 class regading "Feelings About Math" and "Gender". Gender Feelings About Math We pick one student at random from our class. Male Female Total a) (5 pts.) According to this data, what is the probability that someone feels neutral about math if they are a female? 5 ' == o*\G7= - d 30 - w b) (5 pts.) Find the probability that we pick a female, if we picked a student who feels OK about math. Total 15 30 45 LOVE 2 2 4 c) cs pts.) Are the events "Choosing a Female" and "Choosing a person who loves math" independent? Show that you are right, using the appropriate formula(s).

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