#46 If the selected individual does not have type B blood, what is the probabili

Question

#46 If the selected individual does not have type B blood, what is the probability that he or she is from ethnic group 1? Suppose an individual is randomly selected from the population of all adult males living in the United States. Let A be the event that the selected individual is over 6 ft in height, and let B be the event that the selected individual is a professional basketball player. Which do you think is larger, P(A|B) or (B|A)? Why ? Return to the credit card scenario of Exercise 12 (Section 2.2), and let C be the event the selected student has an American Express card. In addition to P(A=.6, P(B)=.4, and P(A B)=.3, suppose that P(C)=.2, P(A C)=.15, P(B C)=.1, and P(A B C)=.08. What is the probability that the selected student has at least one of the three types of cards?

Explanation / Answer

P(A|B) is higher as the formula goes, P(A|B)=P(A intersection B)/P(B) . The intersection of event A and B will include perecentage of basket ball players with 6 feet and more.

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