Only do question (4.8) 4.7) An urn contains three red and two yellow balls. Two
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Question
Only do question (4.8)
4.7) An urn contains three red and two yellow balls. Two balls are randomly selected and their colours recorded. Use a tree diagram to list the 20 simple events in the experiment, keepin in mind the order in which the balls are drawn.
4.8) Refer to Excercise 4.7. A ball is randomly selected from the urn containing three red and two yellow balls. It's colour is noted, and the ball is returned to the urn before a second ball is selected. List the additional five simple events that must be added to the dample space in Exercise 4.7
Explanation / Answer
The additional 5 simple events will be RR, RR, RR, YY, YY because if selected ball is replaced. In second draw, this can be selected again.
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