# Statistics Homework Help

Q uestion

## MATH 1630

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 MATH 1630 Name___________________________________ Exam 1 Review Problems MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question Decide whether the argument is an example of inductive or deductive reasoning. 1) The last four answers were false. Therefore, the next will be false. 1) A) Inductive B) Deductive 2) Fresh fruit costs more in winter. This is January. Therefore these fresh strawberries will cost more. 2) A) Inductive B) Deductive 3) 23 + 17 = 40, 43 + 47 = 90, 31 + 3 = 34. Therefore, the sum of two prime numbers is even. 3) A) Deductive B) Inductive

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.

 Determine the most probable next term in the sequence. 4) 34, 28, 22, 16, 10 4) 5) 3 , 5 , 7 , 9 , 11 5) 2 4 6 8 10 6) 1, 4, 2, 8, 4, 16 6) Use inductive reasoning to predict the next equation. 7) 6 × 8 = 7 × 9 - 15 7) 8 × 10 = 9 × 11 - 19 8) (5 × 1) x (2 × 1) = 10 8) (5 × 10) x (2 × 2) = 200 (5 × 100) x (2 × 3) = 3000

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Use the method of Gauss to find the sum.

 9) 1 + 2 + 3 + ... + 850 A) 722,500 B) 361,250 10) 1 + 2 + 3 + ... + 875 A) 767,376 B) 383,250 Use the indicated formula to find the sum. 11) Use S = n2 to find the sum of 1 + 3 + 5 + ... + 701. A) 122,500 B) 123,200 12) Use S = n2 to find the sum of 1 + 3 + 5 + ... + 999. A) 249,001 B) 498,002

 9) C) 180,625 D) 361,675 10) C) 382,812.5 D) 191,406.25 11) C) 123,201 D) 123,202 12) C) 62,500 D) 250,000

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 Use the method of successive differences to determine the next term in the sequence. 13) 14, 20, 31, 47, 68, ... 13) A) 98 B) 89 C) 99 D) 94 14) 10, 22, 82, 190, 346, ... 14) A) 550 B) 597 C) 598 D) 502

Determine what the next equation would be, and verify that it is indeed a true statement.

15) 14 + 41 = 55                                                                                                                                15)

15 + 51 = 66

 A) 44 + 33 = 77 B) 61 + 16 = 77 C) 16 + 61 = 82 D) 16 + 61 = 77 16) 32 + 10 = 42 16) 43 + 21 = 64 54 + 32 = 86 A) 56 + 43 = 99 B) 65 + 43 = 108 C) 65 + 32 = 97 D) 64 + 53 = 117

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.

 Solve the problem using inductive reasoning. 17) How many line segments are determined by joining dots on the last two circles? 17)

 3 segments 6 segments segments segments 18) Find the number of games played in a round robin tournament for the given numbers of 18) teams. In a round robin tournament every team plays every other team once.

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Use problem solving strategies to solve the problem.

19) A rabbit grows so that every 2 months it doubles in weight. However, the rabbit will never go over 19) 75 pounds. If a bunny is born on July 15th, weighing 2 pounds, in which month will it weigh 46

pounds?

A) August                       B) February                    C) April                          D) July

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 20) Kelly is older than Donna but younger than Brenda. Donna is younger than Brandon. What is the 20) first letter in the name of the oldest person? A) B B) D C) K D) S

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.

 Solve the problem. 21) If you raise 9 to the 387th power, what is the units digit of the result? 21)

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

 22) If you raise 4 to the 214th power, what is the units digit of the result? 22) A) 2 B) 6 C) 4 D) 8

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.

 List the elements in the set. 23) {x | x is an integer between 3 and 7} 23) 24) {x | x is a negative multiple of 5} 24) 25) {x | x is a counting number less than -4} 25) Identify the set as finite or infinite. 26) {x | x is an odd counting number} 26) 27) 5 , 25 , 125 , ..., 3125 27) 1, 7 49 343 16807 Find n(A) for the set. 28) A = {300, 301, 302, ..., 3000} 28) 29) A = {x | x is a month in the year} 29) 1 1 2 2 3 3 19 19 30) A = , - , , - , , - , ..., , - 30) 2 2 3 3 4 4 20 20 Tell whether the statement is true or false. 31) {6} = {x | x is an even counting number between 8 and 14} 31) 32) {s, q, y, o, d} = {o, d, q, s, y} 32) 33) 9 ∉ {x | x is an even counting number} 33)

3

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question

 Use ⊆ or  in the blank to make a true statement. 34) {6, 8, 10} {5, 6, 7, 8, 10} 34) A) ⊆ B) 35) {5, 23, 28} {6, 23, 28, 38} 35) A) B) ⊆ 36) ∅   ∅ 36) A) ⊆ B) 37) {x | x is a counting number larger than 5}   {7, 8, 9, ...} 37) A) B) ⊆

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.

Determine whether the statement is true or false.

Let A = {1, 3, 5, 7}

B = {5, 6, 7, 8}

C = {5, 8}

D = {2, 5, 8}

U = {1, 2, 3, 4, 5, 6, 7, 8}

 38) C ⊂ D 38) 39) ∅ ⊆ A 39) 40) {5} ⊆ D 40)

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

 Find the number of subsets of the set. 41) {6, 7, 8} 41) A) 3 B) 7 C) 6 D) 8 42) {x | x is an even number between 13 and 27} 42) A) 128 B) 40 C) 6 D) 64 Find the number of proper subsets of the set. 43) {3, 4, 5} 43) A) 6 B) 2 C) 5 D) 7 44) {x | x is a day of the week} 44) A) 127 B) 256 C) 64 D) 128

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.

 Let U = {1, 2, 4, 5, a, b, c, d, e}. Find the complement of the set. 45) Q = {2, 4, b, d} 45)

4

 46) T = {a, b, c, d} 46) 47) S = ∅ 47)

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

 Solve the problem. 48) List all possible subsets of the set {m, n}. 48) A) {m}, {n} B) {m}, {n}, ∅ C) {m}, {n}, {m, n}, ∅ D) {m}, {n}, {m, n} 49) A committee is to be formed. Possible candidates for the committee are Eric, Frances, Greg, and 49)

Jose. Denoting these four people by e, f, g, j, list all possible committees of two people (ie list all possible subsets of size two).

A) {e, f}, {e, g}, {f, g}, {g, j}

B) {e, f}, {e, g}, {e, j}, {f, j}, {g, j}

C) {e, f}, {e, g}, {e, j}, {f, g}, {f, j}, {g, j}, {f, e}, {g, e} D) {e, f}, {e, g}, {e, j}, {f, g}, {f, j}, {g, j}

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.

List the elements in the set .

Let 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}.

 50) A ∪ C 50) 51) A ∩ B' 51) 52) (A ∪ B)' 52) 53) C - A 53) 54) (A' ∪ C) ∩ B' 54) 55) B ∩ (A - C) 55)

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Tell whether the statement is true or false.

56) (11, 9) = (9, 11)                                                                                                                            56)

A) True                                                                B) False

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 Find the Cartesian product. 57) A = {12, 9, 10} 57) B = {14, 4} Find A × B. A) {(14, 12), (14, 9), (14, 10), (4, 12), (4, 9), (4, 10)} B) {(12, 14), (12, 4), (9, 14), (9, 4), (10, 14), (10, 4)} C) {(12, 14), (9, 4)} D) {(12, 14), (9, 10), (10, 14)} 58) A = {0} 58) B = {11, 21, 31} Find B × A. A) {(11, 0), (21, 0), (31, 0)} B) {0} C) {0, 0, 0} D) {(0, 11), (0, 21), (0, 31)}

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.

For the given sets, construct a Venn diagram and place the elements in the proper region.

59) Let U = {c, d, g, h, k, u, q} 59) A = {d, h, g, q}

B = {c, d, h, u}

 60) Let U = {1, 2, 3, 4, 5, 6, 7, 8} 60)

A = {3, 6, 8}

B = {4, 6}

C = {1, 6, 7, 8}

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 Find the cardinal number of the set. 61) The numbers in the Venn Diagram below represent cardinalities. 61)

Find n(A B).

 62) The numbers in the Venn Diagram below represent cardinalities. 62)

Find n(A' B' C)

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

 Solve the problem. 63) Mrs. Bollo's second grade class of thirty students conducted a pet ownership survey. Results of the 63) survey indicate that 8 students own a cat, 15 students own a dog, and 5 students own both a cat and a dog. How many of the students surveyed own only a cat? A) 3 B) 15 C) 8 D) 18 64) A local television station sent out questionnaires to determine if viewers would rather see a 64) documentary, an interview show, or reruns of a game show. There were 850 responses with the following results:

255 were interested in an interview show and a documentary, but not reruns.

34 were interested in an interview show and reruns but not a documentary.

119 were interested in reruns but not an interview show.

204 were interested in an interview show but not a documentary.

85 were interested in a documentary and reruns.

51 were interested in an interview show and reruns.

68 were interested in none of the three.

 How many are interested in exactly one kind of show? A) 388 B) 418 C) 398 D) 408

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### Statistics Homework Help

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