Mathematics, 04.02.2021 14:00 hanny13

R and T are two mutually exclusive events P(R) = 0.2 and P(R or T) = 0.69 work out P(not T)

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R and T are two mutually exclusive events P(R) = 0.2 and P(R or T) = 0.69 work out P(not T)...