Question

PLEASE ANSWER WHAT YOU UNDERSTAND AND QUICKLY, IT IS URGENT!! A number is chosen at random from the integer 1-10 inclusive, what is the probability that it is a prime number? A. 0.4 B. 0.5 C. 0.2 D. 0.3. 2. In a class of 25 students, 7 can play scrabble game, 9 can play draft, 2 can play both games. If 11 can play none of the two games, find the probability that a student chosen from the class can play scrabble. A. 7/9 B. 7/25 C. 2/7 D. 7/11. 3. In a class of 25 students, 7 can play scrabble game, 9 can play draft, 2 can play both games. If 11 can play none of the two games, find the probability that a student chosen from the class can play draft ONLY. A. 7/9 B. 9/25 C. 7/25 D. 2/9. 4. In a class of 25 students, 7 can play scrabble game, 9 can play draft, 2 can play both games. If 11 can play none of the two games, find the probability that a student chosen from the class can play none of the two games. A. 7/25 B. 9/25 C. 2/25 D. 11/25. 5. Find the Probability that a number chosen at random from the integers between 10 and 20 inclusive is either a prime or a multiple of 3. A. 7/11 B. 7/10 C. 12/21 D. 12/20. 6. In a quiz competition, Mirable, Bunmi and Okeoma where asked to solve a problem. The probabilities that they can solve them correctly are 2/5, 1/5 and 2/3 respectively. What is the probability that they all solved the problem? A. 5/25 B. 5/13 C. 4/75 D. 4/15. 7. Two dice are thrown together, what is the probability of getting a total score of at least 6? A. 5/12 B.1/6 C. 5/36 D. 31/36. 8. Suppose a bag contains 7 fruits out of which 4 are Oranges and 3 are Mangoes. If three fruits are Selected from the bag one after the other WITHOUT REPLACEMENT, what is the Probability that they are all oranges? A. 1/35 B. 12/49 C. 10/22 D. 1/7. 9. If A. 14 B. 6 C.-2 D. 0. 10. Given A.10 B. 11 C. 9 D. 28. 11. Given that f : x, evaluate A. 5 B.7 C. -7D. -5. 12. The function f and g are defined as f : x g : x, solve A. 3 B. 1 C. -3 D. -1. 13. A vector has ----- and -------. A. function and relation B. magnitude and direction C. shape and size. D. height and weight. 14. The following are examples of vectors except. A. velocity B. displacement C. distance D. acceleration. 15. Find the magnitude or modulus of . A. 5 B. 7 C. 1 D. 0. 16. . A. 225 B. 15 C. 125 D. 25. 17. Given 18. If 19. From question 18, find 20. Find . SECTION B 1. Write short note on the following. (a) domain (b) function (c) relation. 2. A vector is such that?

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