Statistics

I'm desperate I don't know how to calculate this, I always get a different answer, someone give me step by step please.

P(3)=P(x=3;n=5!p=0.5) =5! x(0.5)3x(1-



P(3)=P(x=3;n=5!p=0.5) =5! x(0.5)3x(1-0.5) 5-3 = 031250 _______
3!(502)!

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