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Suppose that 31.8% of Canadians contributed to their RRSP (registered retirement fund) this year. If we were to select a random sample of 6 Canadians,

Suppose that 31.8% of Canadians contributed to their RRSP (registered retirement fund) this year.

If we were to select a random sample of 6 Canadians, what is the probability that

...... exactly 3 of them contributed to their RRSP?

... at least 1 of them contributed to their RRSP?

... at most 2 of them contributed to their RRSP?

(round to four decimal places)

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