Five teachers have taught for 3, 6, 7, 10 and 14 years respectively. If two of the teachers are randomly chosen, what is
Posted: Wed Dec 08, 2021 5:24 am
Five teachers have taught for 3, 6, 7, 10 and 14 years respectively. If two of the teachers are randomly chosen, what is the probability that the pair have at least 15 years of total teaching experience? (4 marks) (Hint: Total number of possible pairs are 10)