A/A study gives the following results for a total sample size of 8. 4,9, 9, 12, 14, 19, 23, 31 What is most nearly the mean? (a) 14.125 (b) 16. 251 (c) 15.125 (d) 15.152 B/ Two sets A and B. The elements in set A are (1, 4, 6), and the elements in set Ban (1,4,6,7,8). The two sets belong to a universe of (1, 2, 3, 4, 5, 6, 7, 8). The intersection ÄnB is? (a) (7, 8) (b) (2, 3, 7) (c) (2, 3, 5, 7, 8) (d) (6, 7, 8) C/ What are the two numbers that have a geometric mean of (2) and a mean of (2.5). (a) (1,3) (b) (1,5) (c) (4, 2) (d) (1,4)
A/A study gives the following results for a total sample size of 8. 4,9, 9, 12, 14, 19, 23, 31 What is most nearly the mean? (a) 14.125 (b) 16. 251 (c) 15.125 (d) 15.152 B/ Two sets A and B. The elements in set A are (1, 4, 6), and the elements in set Ban (1,4,6,7,8). The two sets belong to a universe of (1, 2, 3, 4, 5, 6, 7, 8). The intersection ÄnB is? (a) (7, 8) (b) (2, 3, 7) (c) (2, 3, 5, 7, 8) (d) (6, 7, 8) C/ What are the two numbers that have a geometric mean of (2) and a mean of (2.5). (a) (1,3) (b) (1,5) (c) (4, 2) (d) (1,4)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
![A/ A study gives the following results for a total sample size of 8.
4,9, 9, 12, 14, 19, 23, 31
What is most nearly the mean?
(a) 14.125 (b) 16. 251 (c) 15.125 (d) 15.152
B/ Two sets A and B. The elements in set A are (1, 4, 6), and the elements in set Bare
(1, 4, 6, 7,8). The two sets belong to a universe of (1, 2, 3, 4, 5, 6, 7, 8). The intersection,
AnB is?
(a) (7,8) (b) (2,3,7) (c) (2, 3, 5, 7, 8) (d) (6, 7, 8)
C/ What are the two numbers that have a geometric mean of (2) and a mean of (2.5).
(a) (1,3) (b) (1,5) (c) (4, 2) (d) (1,4)
D/ The water content measurements from a borrow pit are normally distributed. The
mean of measurements is 13.7 and the standard deviation is 1.9%. The probability that
a sample is taken from the pit has a water content above 15% or below 11% is most
nearly?
(a) 0.08 (b) 0.24 (c) 0.33 (d) 0.42](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd4b966e7-7d80-4533-86cb-29c4e64ce46b%2F248d4c3f-1661-4d78-b001-16e66ba0f917%2Fmal1myd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A/ A study gives the following results for a total sample size of 8.
4,9, 9, 12, 14, 19, 23, 31
What is most nearly the mean?
(a) 14.125 (b) 16. 251 (c) 15.125 (d) 15.152
B/ Two sets A and B. The elements in set A are (1, 4, 6), and the elements in set Bare
(1, 4, 6, 7,8). The two sets belong to a universe of (1, 2, 3, 4, 5, 6, 7, 8). The intersection,
AnB is?
(a) (7,8) (b) (2,3,7) (c) (2, 3, 5, 7, 8) (d) (6, 7, 8)
C/ What are the two numbers that have a geometric mean of (2) and a mean of (2.5).
(a) (1,3) (b) (1,5) (c) (4, 2) (d) (1,4)
D/ The water content measurements from a borrow pit are normally distributed. The
mean of measurements is 13.7 and the standard deviation is 1.9%. The probability that
a sample is taken from the pit has a water content above 15% or below 11% is most
nearly?
(a) 0.08 (b) 0.24 (c) 0.33 (d) 0.42
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