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What is the probability that it is either forest or pasture

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Reference no: EM131639235

Question: (a) What is the probability that the acre chosen is not forested?

(b) What is the probability that it is either forest or pasture?

(c) What is the probability that a randomly chosen acre in Canada is something other than forest or pasture?

Outcome                           Probability

John F. Kennedy                     0.23

Ronald Reagan                       0.22

Abraham Linvoln                     0.10

Someone else                          ?

These proportions are probabilities for the random phenomenon of choosing an adult American at random and asking her or his opinion.

(a) What must be the probability that the person chosen selects someone other than John F. Kennedy, Ronald Reagan, or Abraham Lincoln? Why?

(b) The event "I would select either John F. Kennedy or Ronald Reagan" contains the first two outcomes. What is its probability?

Reference no: EM131639235

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