Mathematics, 30.11.2020 06:00 hrijaymadathil
A speech class has nine freshmen and six sophomores. Three people are selected at random to give speeches in sequence. Find the probability that (a) the first is a sophomore, the second is a freshman, and the third is a sophomore. (b) all three are freshmen. (c) the first is a sophomore and the other two are freshmen.
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A speech class has nine freshmen and six sophomores. Three people are selected at random to give spe...
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