If H is the event the national market is favorable and E is the event the test market is favorable, data are a prior estimate \(P(H)\) of the likelihood the national market is sound, and data \(P(E|H)...If H is the event the national market is favorable and E is the event the test market is favorable, data are a prior estimate \(P(H)\) of the likelihood the national market is sound, and data \(P(E|H)\) and \(P(E|H^c)\) indicating the reliability of the test market.