# A fourth-grade class is doing a math unit on measurement. All students in the cl

A fourth-grade class is doing a math unit on measurement. All students in the class have their heights recorded by the teacher. The teacher notes that the mean height of the students is 3.5 feet, and the standard deviation is 0.7 feet. There are 31 students in the class. How many students are expected to be shorter than 3.4 feet?