Pathway to statistics worksheet

Unit 3 Extra Credit

______1) Which of the following is a well-defined set?

a) the top five greatest football players b) the best vacation sites

c) people who own small dogs d) the states that border Ohio

______2) Which is not a common method to indicate a set?

a) description b) roster form

c) grouping form d) set-builder notation

______3) The two sets A = {a, b, c, d} and B = {a, b, c, d} are

a) equal b) full

c) empty d) universal

______4) The two sets A = {5, 7, 9, 11, 13} and B = {a, b, c, d, e} are

a) jointed b) equivalent

c) equal d) universal

______5) Which is a subset of A given that A = {1, 2, 3, 4, 5}

a) {4, 5, 6} b) {1}

c) {a, b, c, d, e} d) {one, two, three, six}

______6) Which is a proper subset of A given that A = {1, 2, 3, 4, 5}

a) {1, 2, 3, 4, 5,} b) {1, 2, 3}

c) {a, b, c, d, e} d) {one, two, three, six}

______7) How many possible subsets of A are there given that A = {1, 2, 3, 4, 5, 6}

a) 5 b) 16

c) 32 d) 64

______8) The two sets A = {1, 2, 3, 4} and B = {a, b, c} are

a) disjoint b) equal

c) empty d) universal

______9) Given the universal set {a, b, c, d, e, f, g}and a subset of that universal set called A

given that A = {a, b, c} what is the complement of A?

a) {d, e, f, g} b) {c, d, e, f, g}

c) {a, b, c, d, e, f, g} d) {1, 2, 3, 4, 5, 6, 7}

______10) Given the two sets A = {1, 2, 3, 4, 5, 6} and B = {5, 6, 7, 8}, the intersection of A

and B is

a) {5, 6} b) {1, 2, 3}

c) {1, 2, 3, 4, 5, 6, 7, 8} d) {5}

______11) Given the two sets A = {1, 2, 3} and B = {5, 6, 7, 8}, the union of A

and B is

a) {4, 5, 6} b) {1, 2, 3}

c) {1, 2, 3, 5, 6, 7, 8} d) {5}

STAT 1001 Pathways to Statistics

Unit 3 Extra Credit

Use the following Venn diagram to answer the following questions.

Blood Types

A B

21 9 17

4

7 12

Rh 41 25

______12) How many people have blood type A_ ?

a) 30 b) 21

c) 9 d) 40

______13) How many people have blood type B+?

a) 5 b) 17

c) 12 d) 41

______14) How many people have AB+?

a) 5 b) 4

c) 32 d) 41

______15) How many people have O- ?

a) 25 b) 17

c) 32 d) 125

______16) How many people have C- ?

a) 4 b) 17

c) 32 d) 0

______17) How many people have blood type A+?

a) 4 b) 21

c) 9 d) 7

______18) How many people have blood type B-?

a) 5 b) 17

c) 12 d) 41

STAT 1001 Pathways to Statistics

Unit 3 Extra Credit

19-24) A random sample of people were asked how many credit cards they had on them. The data in the

table lists the number of credit cards an individual had on them. Complete the last two columns in

the table.

Use the completed table to find the following probabilities.

If a randomly chosen person is selected, what is the probability that

_______ 25) the person does not have any credit cards on them.

_______ 26) the person has 3 credit cards on them.

_______ 27) the person has less than 3 credit cards on them.

_______ 28) the person has at least 2 credit cards on them.

_______ 29) the person has 4 or more credit cards on them.

_______ 30) the person has between 1 and 3 credit cards on them inclusive.

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