A local TV station claims that 60% of people support Candidate A, 30% support Candidate B, and 10% support Candidate C. A survey of 500 registered voters is taken. The accompanying table indicates how...

I need help with part B-1 of this question.

Extracted text: A local TV station claims that 60% of people support Candidate A, 30% support Candidate B, and 10% support Candidate C. A survey of 500 registered voters is taken. The accompanying table indicates how they are likely to vote. Candidate A Candidate B Candidate C 350 125 25 a. Choose the appropriate alternative hypotheses to test whether the TV station's claim can be rejected by the data. At least one of the population proportions differs from its hypothesized value. All population proportions differ from their hypothesized values. b-1. Calculate the value of the test statistic. (Round intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.) Test statistic