For a Specific Year, the Median Price of Natural Gas $\$ 11.99$

For a specific year, the median price of natural gas was $\$ 11.99$ per 1000 cubic feet. A researcher wishes to see if there is enough evidence to reject the claim. Out of 43 households, 34 paid less than $\$ 11.99$ per 1000 cubic feet for natural gas. Test the claim at $\alpha = 0.05$ .