A New Policy of "Flex Hours" Is Proposed

Multiple Choice

A new policy of "flex hours" is proposed. Random sampling showed that 28 of 50 female workers favored the change, while 22 of 50 male workers favored the change. Management wonders if there is a difference between the two groups. For a test comparing the two proportions, the assumption of normality for the difference of proportions is:

A) clearly justified.
B) clearly unjustified.
C) a borderline call.