P(E)=0.30, P(F)=0.40, P(E intersec F)=0.1 P(E union F)=____. My answer is 0.30+0.40-0.1= .6 is this right, thanks for checking my answer. 1. 0.70 2. 0.60 3. 0.50 4. 0.40
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Originally Posted by kwtolley P(E)=0.30, P(F)=0.40, P(E intersec F)=0.1 P(E union F)=____. My answer is 0.30+0.40-0.1= .6 is this right, thanks for checking my answer. 1. 0.70 2. 0.60 3. 0.50 4. 0.40 Looks OK to me. Especially since: $\displaystyle P(x \cup y)=P(x)+P(y) - P(x \cap y)$ RonL
thanks again for checking
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