In a polling of 400 parents, 20% were high income. One hundred and sixty low-income parents supported vouchers, and 50 high-income parents opposed vouchers. (Hint: Make a table before answering the questions.)
A) What is P(oppose vouchers | high income)? (That is, what is the probability that a parent opposes vouchers, given that the parent has high income?)
B) What is P(high income | oppose vouchers)?
C) What is the probability that a parent has high income OR opposes vouchers?
Correct Answer:
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