Given the premise set [ = { p , q , r , s } and p = ( pv q ) Ar, what is the weighted upper bound of the uncertainty of the conclusion @ , if the probability of each element of F is 0.9? Provide your answer with 3 decimal cases (for instance, write 0.082 if you have obtained the value 0.082441, or 0.083 if you have obtained 0.082689)