A university is interested in promoting graduates of its honors program by establishing that the mean GPA of these graduates exceeds 4.3. A sample of 44 honors students is taken and is found to have a mean GPA equal to 4.4. The population standard deviation is assumed to equal 0.40. The parameter to be tested is ________.
he mean GPA of all university students
the proportion of honors students with a GPA exceeding 4.3
the mean GPA of 4.4 for the 44 selected honors students
the mean GPA of all university honors students
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