Problem Situation: According to The Book of Odds , the probability that a randomly selected U.S. adult usually eats breakfast is 0.61, It is not uncommon for the husband and wife in a married couple to carry the gene for cystic fibrosis without having the disease themselves. According to the laws of genetics, the probability that any child one of these couples have will develop cystic fibrosis is 0.25, . If Lucretia tunes into her favorite radio station at a randomly selected time, there is a 0.20 probability that a commercial will be playing, Pedro drives the same route to work on Monday through Friday. His route includes one traffic light. According to the local traffic department, there is a 55% probability that the light will be red, A very good professional baseball player gets a hit about 35% of the time over an entire season., A college basketball player makes about 75% of her free throws, A professional tennis player claims to get 90% of her second serves in play, Probability Interpretation: In a very large sample of US adults, the probability that someone eats breakfast is .61 (61%)., In a very large sample of married couples who carry the gene for cystic fibrosis, the probability that any child they have developing cystic fibrosis is .25 (25%)., In a very large number of times that Lucretia tunes into her favorite radio station, the probability that a commercial will be playing is .20 (20%)., In a very large number of times that Pedro drives to work on the same route (M-F), the probability that the traffic light will be red is 55%., In a very large number of at bats for a specific baseball player that is very good, the probability that he gets a hit is 35%., In a very large number of free throws for a specific college basketball player, the probability he/she makes the shot is about 75%., In a very large number of second serves for a specific tennis player, the probability that he/she makes the second serve in play is about 90%.,

Interpreting Probability (5.1)

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