If U = {x|x is all IUS students}    and   A= {x|x is a male IUS student}    and      B = {x|x is an IUS student majoring in business} then which of the following is the best description of :     

Given: n(A) = 15   and   n(B) = 23  a.   What is the minimum possible number of elements in A ∩ B?    b.   What is the maximum possible number of elements in A ∪ B?   

How many proper subsets does the following set have? T = {m, a, t, h, i, s, #, 1}  Express answer as a Natural Number 

List all the proper subsets of the set  G= {g, e, m} Be sure to write your answer using proper notation.

Given: n(A) = 15   and   n(B) = 23  a.   What is the maximum possible number of elements in A ∩ B?    b.   What is the minimum possible number of elements in A ∪ B?   

If  A = {1, 2}  and B = {x, y, z} ,  find the Cartesian product A × B. Be sure to write your answer using proper notation – using ( ) and { } correctly.

Karen asked 60 coffee drinkers whether they like cream and/or sugar in their coffee.  Twelve said they like both, twenty-nine said they like cream and eight said they like it black. HINT:  Draw a Venn Diagram to help solve the problem. a.  How many drinkers like only sugar in their coffee? b. How many drinkers do not like cream in their coffee? 

EXTRA CREDIT    (4 POINTS) If   , find a simpler expression for each of the following.   a.      b.     

If  A = {1, 2}  and B = {x, y, z} ,  find the Cartesian product B × A. Be sure to write your answer using proper notation – using ( ) and { } correctly.

State if the statements below are true or false Scores for a certain test follow a normal distribution with a mean of 50 and a standard deviation of 6. Suppose all test scores have been standardized by converting them to z-scores using