A decision maker subjectively assigned the following probabilities to the four outcomes of a random experiment P(E1)=.10 P(E2)=.15 P(E3)=.40 P(E4)=.20, Are these probability assignment valid?

A decision maker subjectively assigned the following probabilities to the four outcomes of a random experiment P(E1)=.10 P(E2)=.15 P(E3)=.40 P(E4)=.20, Are these probability assignment valid?

A decision maker subjectively assigned the following probabilities to the four outcomes of a random experiment P(E1)=.10 P(E2)=.15 P(E3)=.40 P(E4)=.20, Are these
probability assignment valid? explain