Question

A) A survey asked 264 people what alternative transportation modes they use. The results are below.

83 walk
133 use the bus
132 ride a bicycle
41 walk and use the bus
36 walk and ride a bicycle
75 ride the bus and ride a bicyle
25 said they use all three modes of transportation

-How many people only ride the bus?

-How many people don't use any alternate transportation?

B) A survey asked buyers whether color, size, or brand influenced their choice of cell phone. The results are below.

289 said size.
213 said brand.
201 said color.
127 said size and brand.
135 said color and size.
126 said color and brand.
72 said all three.
91 said none of these

-How many buyers were influenced by color and size, but not brand?

-How many buyers were not influenced by color?

-How many buyers were surveyed?

C) Let the Universal Set, S, have 108 elements. A and B are subsets of S. Set A contains 62 elements and Set B contains 10 elements. If Sets A and B have 6 elements in common, how many elements are in A but not in B?

Answer = ? elements

Answer 1