Sophia and Lorna have played 10 chess matches. Sophia has won 6 matches.
They drew 3 matches
Lorna has won one match.
Lorna wins the next 2 matches.
Estimate the probability that Lorna wins the next match after that (their 13th match).
Give your answer as a decimal

Iwould think that the correct answer is 8.1

Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,