Use the calculator displays to the right to make a decision to reject or fail to reject the null hypothesis at a significance level of

=0.01.

Z-Test		Z-Test
	Inpt:Data	Stats				70
	0:70			z=1.26491106
	:3.75			p=0.20590321
	x:69.25			x=69.25
	n:40			n=40
	:	0	<0	>0
	Calculate Draw