Which of the following is a direct measure of fertility? MCQ with Answer and Explanation
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Question #1
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Three students A,B,C solve a problem. Probabilities 1/2, 2/3, 3/4. Probability that exactly two of them solve it is:
Correct Answer: Option B
Explanation:
P(AB'C) = 1/2 * 1/3 * 3/4 = 3/24; P(AB'C)? Let's compute exactly two: A and B not C: 1/2*2/3*1/4=2/24; A not B C: 1/2*1/3*3/4=3/24; not A B C: 1/2*2/3*3/4=6/24. Sum = 11/24.
P(AB'C) = 1/2 * 1/3 * 3/4 = 3/24; P(AB'C)? Let's compute exactly two: A and B not C: 1/2*2/3*1/4=2/24; A not B C: 1/2*1/3*3/4=3/24; not A B C: 1/2*2/3*3/4=6/24. Sum = 11/24.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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The primary advantage of secondary data is:
Correct Answer: Option B
Explanation:
Secondary data is already available, reducing time and cost of collection.
Secondary data is already available, reducing time and cost of collection.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Neonatal mortality rate is a component of:
Correct Answer: Option C
Explanation:
Neonatal deaths (0-28 days) are part of infant deaths.
Neonatal deaths (0-28 days) are part of infant deaths.
This question belongs to:
Accountancy and Statistics
Statistics
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