Suppose that a fair die is thrown twice independently, then 1. the probability that the sum of numbers of the two dice is less than or equal to is; (A) 0.1667 (B) 0.6667 (C) 0.8333 (D) 0.1389 2. the probability that at least one of the die shows { is; (A) 0.6667 (B) 0.3056 (C) 0.8333 (D) 0.1389 3. the probability that one die shows one and the sum of the two dice is four is; (A) 0.0556 (B) 0.6667 (C) 0.3056 (D) 0.1389 4. the event A={the sum of two dice is 4} and the event B={exactly one die shows two} are, (A) Independent (B) Dependent (C) Joint (D) None of these.