Tìm các số thực a, b để các vô cùng bé sau tương đương khi x→0 f(x)=sin(ax2+x3)+xln(1+x2)g(x)=(a+2 b)x(1−cosx2)

Apolice office claims that the proportion of people wearing seat belts is less than 65%. to test this claim, a random sample of 200 drivers is taken and its determined that 126 people are wearing seat belts. the following is the setup for this hypothesis test: h0: p=0.65 ha: p< 0.65 find the p-value for this hypothesis test for a proportion and round your answer to 3 decimal places.