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17.The Writing Institute of Alaska finds that twenty percent of the general population is left handed.   ...

17.The Writing Institute of Alaska finds that twenty percent of the general population is left handed.   

a.If six people are randomly selected, find the probability that exactly three of them are left handed? _____________________

b.If six people are randomly selected, find the probability that at least two of them are right handed? _____________________

c.If six people are randomly selected, find the probability that at most three of them are left handed?________________

d.If six people are randomly selected, find the probability that less than two of them are right handed? _____________________

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