【简答题】A.The girl refused to refund the jeans. B.He was given the wrong size. C.The girl deliberately put the jeans in a box. D.The girl didn't handle his complaint well.
【单选题】When determining the sample size for a proportion for a given level of confidence and sampling error, the closer to 0.50 that p is estimated to be, the __________ the sample size required.
A.
smaller
B.
larger
C.
sample size is not affected.
D.
The effect cannot be determined from the information given.