Question 1183063
The first part is correct.
test stat is z and reject for |z| >2.326 or 2.33 (one answer)
z=(0.44-0.40)/sqrt(0.4*0.6/500), the difference from the mean divided by the sd
=0.04/0.0219
=1.83 (the other answer)
fail to reject Ho and insufficient evidence to support the contention that the proportion is not 0.40.
p-value is 0.068.