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Originally posted by SojuGirl on 30 Apr 2021, 08:05.
Last edited by SojuGirl on 30 Apr 2021, 08:11, edited 1 time in total.
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Hey guys can you enlighten me with this question.. A man has 5 blue and 4 yellow balls in a bag. Without looking in the bag, he takes out a ball, replaces it in the bag and takes out another blue? What is the probability that he:
a. gets 2 blue balls? b. gets a blue ball and then a yellow ball? c. gets a yellow ball and then a blue ball? d. gets only one blue ball?