Hi

28 people in all with 15 males and 13 females



a. P(3 females and 2 males are selected) = 13C3*15C2/28C5 





b. P(all five students selected are males)= 15C5/28C5 





c. P(all five students selected are females) = 13C5/28C5 





d. P(at least one male is selected) = 1 - P(all females selected)



 

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