The regression output below shows the estimated relationship between Price and the independent variables Curb Weight, Horsepower, and Acceleration. If performing a test for overall significance for this model, what would your null hypothesis be?

	Coefficients	Std. Error	t Stat	P-value	Lower 95%	Upper 95%
Intercept	-179.97	112.86	-1.60	0.14	-425.87	65.92
Curb Weight	-0.01	0.02	-0.85	0.41	-0.05	0.02
Horsepower	-0.15	0.15	-1.03	0.33	-0.48	0.17
Acceleration	3.14	1.30	2.42	0.03	0.31	5.97

Select one:

a.p

b.₁ = ₂ = ₃ = 0

c.₁ = 0

d.At least one of the parameters not equal to zero