Mathematics, 19.10.2019 01:10, dragonslayer321
Incoming students to a certain school take a mathematics placement exam. the possible scores are 1, 2, 3, and 4. from past experience, the school knows that if a particular student's score is x {1,2,3,4}, then the student will become a mathematics major with probability x-1/x+3 suppose that the incoming class had the following scores: 10% of the students scored a 1, 20% scored a 2, 60% scored a 3, and 10% scored a 4. what is the probability that a randomly selected student from the incoming class will become a mathematics major? express your answer as a fraction in lowest terms. suppose a randomly selected student from the incoming class turns out to be a mathematics major. what is the probability that she scored a 4 on the placement exam? express your answer as a fraction in lowest terms.
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Incoming students to a certain school take a mathematics placement exam. the possible scores are 1,...
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