1. a) Fill in the blank 1) it is the collection of all elements whose characteristics are being studied 11) it is a portion of the population selected for study 111 it is a sample that represents the characteristics of the population as closely as possible iv) it is a sampling procedure in which the item selected at each selection is put back in the population before the next item is drawn V) it is a sampling procedure in which the item selected at each selection is not put back in the population before the next selection b. Mr. Jones owns 4 pairs of pants, 7 shirts, and 3 sweaters. In how many ways may he choose 2 of the pairs of pants, 3 of the shirts, and 1 of the sweaters to pack for a trip