If E and F are mutually exclusive events, then P (E ∪ F) = P (E) + P (F).in this case , will P (E) + P (F) BE EQUAL TO 1?
PLS EXPLAIN WITH REASON.

Question

If E and F are mutually exclusive events, then P (E ∪ F) = P (E) + P (F).in this case , will P (E) + P (F) BE EQUAL TO 1?
PLS EXPLAIN WITH REASON.

anonymous · Answer

@hba

unklerhaukus · Answer

the sum of all probabilities is one

anonymous · Answer

thank u @UnkleRhaukus

unklerhaukus · Answer

lets consider some mutually exclusive events ,

say i flip a coin , the possible events are  heads and tails, and these events are mutually exclusive, 

the probability of each event is 50%

the probability of heads OR tails is 

P(h+t)=P(h) +P(t) = 50% + 50% = 100% =1