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A youth group supporting a certain presidential candidate has 45 members, consisting of 19 boys and 26 girls. If 4 members are selected to plan

A youth group supporting a certain presidential candidate has 45 members, consisting of 19 boys and 26 girls. If 4 members are selected to plan the campaign rally, find the probability that all 4 are girls.

The answer is 0.111

I just want to know how it was solved. Thank youuu!

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