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In an attempt to minimize no-shows on high-demand days a golf course has implemented an online check-in procedure. Preliminary results indicate that once a golfer has checked in, there is only at 20% chance that he or she will be a no-show. This chance of being a no-show can be modeled using the binomial distribution.If 15 golfers check in using this process, the expected number of players who will actually show up is ______; the variance for the number of players who actually show up is ______?

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