I a Sample Proportion Is Found by Dividing the Number

Multiple Choice

i. A sample proportion is found by dividing the number of successes in the sample by the number sampled. ii. The standard normal distribution is the appropriate distribution when testing a hypothesis about a population proportion.
iii. When testing population proportions, the z statistic can be used when np and n(1 - p) are greater than five.

A) (i) , (ii) , and (iii) are all correct statements.
B) (i) is a correct statement but not (ii) or (iii) .
C) (i) and (iii) are correct statements but not (ii) .
D) (ii) and (iii) are correct statements but not (i) .
E) (i) , (ii) , and (iii) are all false statements.