Chi-Squared Goodness Fit Test

2 In the last election 4 years ago, 54% of voters voted for party A, 30% of voters voted for party B, and the rest voted for party C. When a polling agency conducted a survey asking 300 voters which party they are going to vote for in the upcoming election, the following results were obtained: Party A B C Voters 141 105 54 Conduct a x2 goodness of fit test with a 1% level of significance to determine whether there has been a change in the proportions of voters supporting each party since the last election