Over a long period of time in a large multinational corporation, 10% of all sales trainees are rated as outstanding, 65% are rated as excellent/good, 20% are rated as satisfactory, and 5% are considered unsatisfactory. Find the following probabilities for a sample of 10 trainees selected at random: Two are rated as outstanding. Two or more are rated as outstanding. Six of the ten are rated either outstanding or excellent /good. None of the trainees is rated as unsatisfactory