uge or t probability that t uue to some other cause? 18.10 Land in Canada. Choo acre of land in Canada at rar The probability is 0.45 that it is fo and 0.03 that it is pasture (a) What is the probability that t acre chosen is not forested? (b) What is the probability that it is either forest or pasture? (c) What is the probability that a ran- domly chosen acre in Canada is some- thing other than forest or pasture? 18.11 Our favorite president. A Gallup Poll on Presidents' Day 2011 interviewed a ran- con is it 18.12 severa dom sample of 1015 adult Americans. Those in the sample were asked who Probo Model 1 s in the United States. they regarded as the 3show that the prob at a randomly chosen Outcome to heart disease and obability Models sident. Here are the resul re Probabilit ue to aner. What is Ronald Reagan hat a death was due Abraham Lincoln disease or to cancer? Bill Clinton 0.19 0.14 0.13 0.11 ability that the death other cause? John F. Kennedy Someone else Canada. Choose an Canada at random. These proportions are probabilities 0.45 that it is forest for the random phenomenon of choos pasture ing an adult American at random and asking her or his opinion. (a) What must be the probability probability that the forested? robability that it is that the person chosen selects some sture? one other than Ronald Reagan obability that a ran Abraham Lincoln, Bill Clinton, or Jo in Canada is some E. Kennedy? Why? orest or pasture? (b) The e event "I would se favorite president. Ronald Rea Poll on Presidents' interviewed a ran 1s its probabilit? 5 adult America le were asked would select either Lincoln gan or Abraham contains the first two outcom tcomes. What e. Figure 18.5 display f prohahilities to uge or t probability that t uue to some other cause? 18.10 Land in Canada. Choo acre of land in Canada at rar The probability is 0.45 that it is fo and 0.03 that it is pasture (a) What is the probability that t acre chosen is not forested? (b) What is the probability that it is either forest or pasture? (c) What is the probability that a ran- domly chosen acre in Canada is some- thing other than forest or pasture? 18.11 Our favorite president. A Gallup Poll on Presidents' Day 2011 interviewed a ran- con is it 18.12 severa dom sample of 1015 adult Americans. Those in the sample were asked who Probo Model 1 s in the United States. they regarded as the 3show that the prob at a randomly chosen Outcome to heart disease and obability Models sident. Here are the resul re Probabilit ue to aner. What is Ronald Reagan hat a death was due Abraham Lincoln disease or to cancer? Bill Clinton 0.19 0.14 0.13 0.11 ability that the death other cause? John F. Kennedy Someone else Canada. Choose an Canada at random. These proportions are probabilities 0.45 that it is forest for the random phenomenon of choos pasture ing an adult American at random and asking her or his opinion. (a) What must be the probability probability that the forested? robability that it is that the person chosen selects some sture? one other than Ronald Reagan obability that a ran Abraham Lincoln, Bill Clinton, or Jo in Canada is some E. Kennedy? Why? orest or pasture? (b) The e event "I would se favorite president. Ronald Rea Poll on Presidents' interviewed a ran 1s its probabilit? 5 adult America le were asked would select either Lincoln gan or Abraham contains the first two outcom tcomes. What e. Figure 18.5 display f prohahilities to
