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According to a September 2005 article on the Womensenews.org Web site, “Caesarean sections, in which a baby is delivered by abdominal surgery, have increased fivefold in the past 30 years, prompting concern among health advocates . . .” The data in the file called Babies indicate whether the past 50 babies delivered at a local hospital were delivered using the Caesarean method.
a. Based on these data, what is the probability that a baby born in this hospital will be born using the Caesarean method?
b. What concerns might you have about using these data to assess the probability of a Caesarean birth? Discuss.
Recently, a large state university conducted a survey of undergraduate students regarding their use of computers. The results of the survey are contained in the data file ComputerUse.
a. Based on the data from the survey, what is the probability that undergraduate students at this university will have a major that requires them to use a computer on a daily basis?
b. Based on the data from this survey, if a student is a business major, what is the
probability of the student believing that the computer lab facilities are very adequate?