A jar contains 100 white jellybeans, 50 yellow jellybeans and 20 green jellybeans. Jason is blindfolded; he wants to get at least 1 green jellybean. Assuming that each jellybean he removes is randomly chosen, how many must he remove in order to ensure that he gets at least 1 green jelly bean?

asked by Anonymous

11 years ago

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1 answer

151
The first 150 may have bee all white/yellow.

answered by Steve

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Question

A jar contains 100 white jellybeans, 50 yellow jellybeans and 20 green jellybeans. Jason is blindfolded; he wants to get at least 1 green jellybean. Assuming that each jellybean he removes is randomly chosen, how many must he remove in order to ensure that he gets at least 1 green jelly bean?

1 answer

151
The first 150 may have bee all white/yellow.

Steve · Answer

151 The first 150 may have bee all white/yellow.