Question 1152953
Ho p=0.47
Ha it doesn't
alpha=0.01
this is a 1 sample proportion
z=(p-phat)/sqrt(p(1-p)/n)
critical value |z|>2.576
z=-0.06/sqrt(0.47*0.53/600)
z=-2.94
reject Ho; sufficient evidence at the 0.01 level to reject it and conclude that the true value is not 47%.