A company has 25 trucks, among which 5 have fuel emissions above a certain level. If one

Question:

A company has 25 trucks, among which 5 have fuel emissions above a certain level. If one of the company’s technicians selects six trucks at random to check for their fuel emissions, what is the probability that among them there are

(i) exactly three trucks with high emissions?

(ii) at most two trucks with high emissions?

(iii) at least one truck with high emissions and at least one truck with emissions at normal level?

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