(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

The two events A and B have probabilities 0.2 and 0.4. Also P (A n B)=0:08.

(a)Are the two events A and B independent? Explain.

(b) Find the probability that either A or B or both occur.

(c) Find the probability that neither A nor B occurs.

(d) Find the probability that exactly one of A or B occurs.

2. Relevant equations

P(A n B) = P(A)*P(B)

3. The attempt at a solution

My working out:

(a)For 2 events to be independent they must satisfy:

P(A n B) = P(A)*P(B)

so 0.08 = 0.2x0.4

which makes them independent .. Correct ?

(b)hmm not sure about this one! need some helpp

(c)P(neither A or B) = 0.8*0.6 Correct?

(d)hmm maybe P = 0.2*0.6 + 0.4*0.8 = 0.44 ?????

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# Homework Help: Probability - 2 events HELP

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