Give an event in the context of the problem whose probability can be calculated using the term $\sum _ { k = 0 } ^ { 25 } \binom { 200 } { k } \cdot 0,1 ^ { k } \cdot ( 1 - 0,1 ) ^ { 200 - k }$.
Give an event in the context of the problem whose probability can be calculated using the term $\sum _ { k = 0 } ^ { 25 } \binom { 200 } { k } \cdot 0,1 ^ { k } \cdot ( 1 - 0,1 ) ^ { 200 - k }$.