In a bolt factory, machines A(25%), B(35%), C(40%) produce bolts with defective rates 5%,4%,2%. A bolt is defective. Probability it came from C is: MCQ with Answer and Explanation
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Question #1
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Secondary data is characterized by which of the following?
Correct Answer: Option A
Explanation:
Secondary data refers to information that was previously gathered by another party for a different objective and is now being reused for a new study.
Secondary data refers to information that was previously gathered by another party for a different objective and is now being reused for a new study.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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In the theory of attributes, the class frequency (Aβ) represents:
Correct Answer: Option A
Explanation:
β indicates absence of B; (Aβ) = items with A and without B.
β indicates absence of B; (Aβ) = items with A and without B.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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TFR of 2.1 children per woman is called replacement-level fertility because it:
Correct Answer: Option C
Explanation:
TFR of about 2.1 ensures each generation exactly replaces itself (assuming low mortality), leading to eventual zero growth.
TFR of about 2.1 ensures each generation exactly replaces itself (assuming low mortality), leading to eventual zero growth.
This question belongs to:
Accountancy and Statistics
Statistics
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