The probability of drawing a king or a spade from a deck of cards is: MCQ with Answer and Explanation

If the mean of a distribution is 30 and the mode is 24, the distribution is:

For two attributes A and B, the relationship (AB) + (Aβ) equals:

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?