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1. A psychologist has been studying eye fatigue using a particular measure, which she administers to students after they have worked for 1 hour writing

1. A psychologist has been studying eye fatigue using a particular measure, which she administers to students after they have worked for 1 hour writing on a computer. Using the normal curve, what proportion of students have z-scores:

Below 1.2:_______

Above 1.2: _

Below -.68:

Above -.68: ______

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