The amount of cleaning solution a company fills its bottles with has a mean of of 33\,\text{fl oz}33fl oz33, start text, f, l, space, o, z, end text and a standard deviation of 1.5\,\text{fl oz}1.5fl oz1, point, 5, start text, f, l, space, o, z, end text. The company advertises that these bottles have 32\,\text{fl oz}32fl oz32, start text, f, l, space, o, z, end text of cleaning solution.