A survey to determine brand preference involving two brands X and Y uses 5 samples of 51 persons each. If a majority of the samples ( 3 or more) chooses one brand, that brand is determined the winner. Can we determine which of the two brands X or Y is the winner. P. 155 people chose Brand X Q. Three of first four samples chose the same brand. A Statement P is sufficient and necessary to determine the answer B Statement Q is sufficient and necessary to determine the answer C Neither P nor Q is sufficient to determine the answer D Statements P and Q are sufficient and necessary to determine the answer.