LOGNORMDIST(x,mean,stdev)
LOGNORMDIST . @x -- , , @mean -- , @stdev -- . @stdev = 0, LOGNORMDIST #DIV/0!. @x <= 0, @mean < 0 @stdev < 0, LOGNORMDIST #NUM!.
Excel.
LOGNORMDIST(3,1,2) 0.519662338.
NORMDIST.