5. In a group of 100 students, 35 can speak Korean, 45 can speak Chinese and 10 can speak both languages. If a student is selected at random, what is the probability of selecting a student who a. Can speak Chinese or Korean? b. Can speak Chinese only? c. Can speak Korean only? 6. In a deck of 52 cards, what is the probability of selecting a queen on the first draw and queen on the second draw if a. Replacement is not allowed? b. Replacement is allowed?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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5. In a group of 100 students, 35 can speak Korean, 45 can speak Chinese and 10 can
speak both languages. If a student is selected at random, what is the probability of
selecting a student who
a. Can speak Chinese or Korean?
b. Can speak Chinese only?
c. Can speak Korean only?
6. In a deck of 52 cards, what is the probability of selecting a queen on the first draw and
queen on the second draw if
a. Replacement is not allowed?
b. Replacement is allowed?
Transcribed Image Text:5. In a group of 100 students, 35 can speak Korean, 45 can speak Chinese and 10 can speak both languages. If a student is selected at random, what is the probability of selecting a student who a. Can speak Chinese or Korean? b. Can speak Chinese only? c. Can speak Korean only? 6. In a deck of 52 cards, what is the probability of selecting a queen on the first draw and queen on the second draw if a. Replacement is not allowed? b. Replacement is allowed?
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