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Multiple-Choice Questions with One or More Correct Answers ‹ 141
 469. Which of the following number of ways of selecting r objects from a set of 
n distinct objects, without regard to order, are equal? Select two that are 
equal.
 (A) Selecting 1 object from a set of 6 objects.
 (B) Selecting 6 objects from a set of 6 objects.
 (C) Selecting 1 object from a set of 5 objects.
 (D) Selecting 5 objects from a set of 5 objects. 
 470. Which of the given probabilities equals 3
8
? Select all that apply.
 (A) The probability of randomly selecting a multiple of 3 from the set 
{4,6,9,11,13,18,20,22} 
 (B) The probability of randomly selecting the letter t from the letters in 
the word statistic
 (C) The probability of randomly drawing a red marble from a bag con-
taining three red marbles, two black marbles, and six white marbles, 
all identical except for color
 (D) The probability of getting exactly two heads on three tosses of a fair 
coin
 (E) The probability of randomly selecting a prime or an even number 
from the set {2,9,11,15,18,21,27,35}
 471. Students in a finance course take four 100-point exams. Students A, B, C, 
D, and E have taken three of the four exams. For which student is it pos-
sible to obtain an average exam score of 85. Indicate all such students.
 (A) Student A, who has scores of 79, 80, and 81 on three of the four 
exams
 (B) Student B, who has scores of 65, 80, and 100 on three of the four 
exams
 (C) Student C, who has scores of 75, 80, and 80 on three of the four 
exams
 (D) Student D, who has scores of 90, 80, and 76 on three of the four 
exams
 (E) Student E, who has scores of 60, 99, and 75 on three of the four 
exams
 472. For which of the given data will the mean, median, and mode all be equal? 
Indicate all that apply.
 (A) 5, 1, 2, 1, 1
 (B) 8, 5, 1, 9, 2, 5
 (C) − − − − − −6, 9, 2, 10, 3, 6 
 (D) 5, 1, 2, 7, 3
 (E) 50, 50, 50, 50, 50
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