Probability Problems

Dec 2nd, 2015
Sigchi4life
Category:
Mathematics
Price: $5 USD

Question description

1.  Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?

2. A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue?

3.

In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green?


Tutor Answer

(Top Tutor) Daniel C.
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School: Rice University
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