About ​% of the population of a large country is . If two people are randomly​ selected, what is the probability both are ​? What is the probability at least one is ​? Assume the events are independent. ​(a) The probability that both will be is nothing. ​(Round to four decimal places as​ needed.) ​(b) The probability that at least one person is is nothing. ​(Round to four decimal places as​ needed.)