OpenStax, Statistics §3.3 Two Basic Rules of Probability · Exercise 22 · Probability · Counting & chance
Two Basic Rules of Probability · Exercise 22
Y and Z are independent events.
(a) Rewrite the basic Addition Rule P(Y OR Z) = P(Y) + P(Z) - P(Y AND Z) using the information that Y and Z are independent events.
(b) Use the rewritten rule to find P(Z) if P(Y OR Z) =.71 and P(Y) =.42.
OpenStax, Statistics · §3.3 Two Basic Rules of Probability · Exercise 22
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