The total fertility rate is 3.0. If the proportion of female births is 0.49 and the survival rate of women to reproductive age is 0.9, the NRR is approximately: MCQ with Answer and Explanation

Consider the following statements about probability: 1. For any two events, P(A∪B) ≤ P(A) + P(B). 2. If A ⊆ B, then P(A) ≤ P(B). 3. For independent events, P(A|B) = P(A). Which of the above is/are correct?

If a fair die is rolled twice, the probability that the first roll is a 4 and the second roll is a 5 is:

Vital statistics mainly record: