Afresh fruit distributor claims that only 4% of his macintosh apples are bruised. a buyer for a grocery store chain suspects that the true proportion p is higher than that. she takes a random sample of 30 apples to test the null hypothesis h0: p = 0.04 against the alternative hypothesis ha: p > 0.04. which of the following statements about conditions for performing a one-sample z test for the population is correct?

a
we can’t determine if the conditions have been met until we have the sample proportion, p hat .
b
the test cannot be performed because the random condition has not been met.
c
all conditions for performing the test have been met.
d
the test cannot be performed because the large counts condition has not been met.