A shirt rack contains 5 striped shirts, 8 solid shirts, and 6 polka dot shirts. How many outcomes are there when choosing a shirt from the rack?

Choosing one shirt means any of the shirts on the rack is a possible outcome. Add the counts: 5 striped + 8 solid + 6 polka dot = 19 shirts, so there are 19 outcomes. The correct choice is 19.

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