1students at university x must be in one of the class ranks

Reference no: EM13353625

1. Students at University X must be in one of the class ranks, Freshman, Sophomore, Junior, or Senior. At University X, 35% of the students are Freshmen and 30% are Sophomores. If a student is selected at random, the probability he or she is either a Junior or a Senior is

A. 35%
B. 65%
C. 70%

2. Suppose there is a deck of three cards, one marked with a 1, one marked with a 2, and one marked with a 5. You draw two cards at random and without replacement from the deck of three cards. The sample space S = {(1, 2), (1, 5), (2, 5)} consists of these three equally likely outcomes. Let X be the total of the two cards drawn. Which of the following is the correct set of probabilities for X?

291_Find the probabilities for X.png

Reference no: EM13353625

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