The mayor of a large city claims that 25% of families in the city earn more than )100,000 per year; 55% earn between $30,000 and $100,000 (inclusive); 20% earn less than $30,000 per year.

In order to test the mayors claim, 285 families from the city are surveyed and it is found that:

80 of the families earn more than $100,000 per year;

140 of families earn between $30,000 and $100,000 per year (inclusive);

65 families earn less than $30,000

Test the mayors claim based on 10% significance level