Find mu if mu equals Summation from nothing to nothing left bracket x times Upper P left parenthesis x right parenthesis right bracket. Then, find sigma if sigma squared equals Summation from nothing to nothing left bracket x squared times Upper P left parenthesis x right parenthesis right bracket minus mu squared. x 0 1 2 3 4 5 P(x) 0.0079 0.0646 0.2109 0.3441 0.2808 0.0917 Question content area bottom Part 1 muequals enter your response here (Simplify your answer. Round to four decimal places as needed.)