can you show me how to solve this step by step please thank you!

You are conducting a study on the real estate market in Los Angeles county . According to the data you collected you generated a sample regression line a 347 + 257I 9212 + 2412g is the price of a home in thousands of dollars It is the size of the home in square feet In is the age of the home in years Is is a dummy variable that is equal to I if the house is in Beverly Hills city limits , " ( a ) Interpret the coefficient of It ( b ) Interpret the coefficient of the dummy variable , Is . ( c ) The p- value of the t -test statistic for the test Ho : P3 = 0 against Hi : By equal to 20182 . Would you reject or fail to reject the null hypothesis at the a significance level ? Does this line up with your perception of the price of a home in Beverly Hills vs . other parts of Los Angeles county ? ( 1 ) The 95% confidence interval for 2 is the null hypothesis for the test H , : B 2 = O against H , : P 2 0 at the a goificance level ? Why ? 18 ) . Would you reject or fail to reject