Events are independent?

Probability Level 2

Let E1,E2,E3,....,EnE_1,E_2,E_3,....,E_n be nn independent events such that P(Ei)=1i+1P(E_i)=\dfrac{1}{i+1} for i=1,2,3,...,n.i=1,2,3,...,n. What will be the probability that at least one of the events occurs ?

Note: P(A)P(A) denotes the probability of occurrence of event A.A.

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