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Question
Math
Posted 7 months ago

Mr. Thompson runs his own printing and bookbinding business. He suspects that the machine isn't putting enough glue into the book spines and decides to inspect his most recent order of 70 textbooks to test his theory. He numbers them 01-70 and, using the random digit table printed below, selects a simple random sample of 5 books to check.

Which books are in the sample?
8506355810104700802930025
Choose 1 answer:
(A) 06,35,58,10,1006,35,58,10,10
(B) 06,35,58,10,4706,35,58,10,47
(C) 85,06,35,58,1085,06,35,58,10
(D) 50,63,55,10,0450,63,55,10,04
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Answer from Sia
Posted 7 months ago
Solution by Steps
step 2
Starting from the left, the first valid two-digit number is 06
step 3
The next valid two-digit number is 35
step 4
The following valid two-digit number is 58
step 5
The next number, 10, is valid and is the fourth book number
step 6
The last valid two-digit number within the range is 47, which is the fifth book number
B
Key Concept
Simple Random Sampling using a Random Digit Table
Explanation
To select a simple random sample from a set of numbered items, use a random digit table and choose numbers within the range of the set. In this case, we are choosing from books numbered 01 to 70.

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