A polling firm would like to estimate the true proportion of all Canadian voters who support a national gun registry. They survey a sample of 500 voters, 274 of whom support a gun registry. (a) Construct a 95% confidence interval for the true proportion of Canadian voters who support a gun registry. (b) Provide an interpretation of the interval in (a). (c) Conduct a hypothesis test at the 5% level of significance to determine whether there is evidence that most Canadian voters support a gun registry. Show all your steps. (d) Provide an interpretation of the P-value of the test in (c).