As a microbiologist working for the WHO you are brought into Southern Algeria to help identify a recent outbreak of dysentery thought to be due to a contaminant in the water.  You collect your water sample and observe an organism measuring approximately 300 um in diameter and it also contains a nucleus.  You notice the organism has no cell wall, is unicellular and is highly motile utilizing what appears to be pseudopodia for its movement.  You conclude that the etiological agent is a(n)

Find the probability. A card is drawn at random from a standard 52-card deck. Find the probability that the card is not a queen. 

For the given sets, construct a Venn diagram and place the elements in the proper region. Let U = {b, e, g, f, k, q, t}A = {e, g, f, q}B = {b, e, g, t}

Determine whether the statement is true or false.  3 ∈ {1, 3, 5, 7, 9}

Fill in the blank with either ∈ or ∉ to make the statement true.  0 _____ ∅

Use a Venn diagram to answer the question. At Nassau Community College there are 551 students taking College Algebra or Calculus. 210 are taking College Algebra, 389 are taking Calculus, and 48 are taking both College Algebra and Calculus. How many are taking Calculus but not Algebra?

Find |A|, which is the cardinality of A. A = {x | x is a second in a minute}

Determine whether the statement is true or false.  ∅ ⊆ {Mathematics, English, Art, History}

Let  U{“version”:”1.1″,”math”:”U”} = {q, r, s, t, u, v, w, x, y, z}       A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z} List the elements in the set (A ∩ B)’

List all of the subsets of the set {1,2,3}.