Question

If E1, E2 and E3 cover all the possible outcome of a trial . Find the value of P(E1) + P(E2) + P(E3).

Please provide me the proper answer.

NOT FROM GOOGLE ,
or else I will report ur answer .

So , please .......​

Answer 1

Answer:

P(A). 165 85 425. ∩. = = × = Example 6 Three machines E1, E2, E3 in a certain factory produce 50%, 25%