INTERNATIONAL UNIVERSITY OF BUSINESS AGRICULTURE AND TECHNOLOGY Quiz examination STA 240 Full marks: 100
Set: Z Time: 50 minutes
1. What is the probability of choosing a consonant from the alphabet? 2. What is the probability of choosing a Tuesday from a month? 3. A single 6-sided die is rolled. What is the probability of rolling an odd number? 4. What is the sample space for choosing 1 letter at random from 5 vowels? 5. What is the sample space to choose 1 letter at random from the word SWEETHEART? 6. A single 6-sided die is rolled. What is the probability of rolling a number that is not 3? 7. A glass jar contains 10 red marbles. If a marble is chosen at random from the jar, what is the probability that it is not red? 8. Two coins are tossed; find the probability that a) At most one head is obtained. b) At least one tail is obtained. 9. A jar contains 3 red marbles, 7 green marbles and 5 white marbles. If a marble is drawn from the jar at random, what is the probability that a) The marble is white? b) The marble is either white or red? 10. There are 5 balls in a bag, 1 is red, 3 are yellow and 1 is blue. If a ball is drawn from the bag at random, what is the probability that the ball is not blue?
Md. Mortuza Ahmmed