A random sample of 60 professional economists was asked to predict whether next year's inflation rate would

Question:

A random sample of 60 professional economists was asked to predict whether next year's inflation rate would be higher than, lower than, or about the same as that in the current year. The results are shown in the following table. Test the null hypothesis that the profession is evenly divided on the question.
Prediction Number
Higher ............20
Lower ............29
About the same .......11