Topic: finding the probability of union of two or more events.
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U Multiple Choice Answer the following by choosing the letter of the correct answer. 1. A diagram that uses circles to represents sets. in which the relations between the sets are indicated by the arrangement of the circles. A. bar graph B. pie chart C. tree diagram D. Venn diagram 2. A set of possible outcomes resulting from a particular experiment. A. events B. possibilities C. sample space D. universal 3. A set that contains all of the elements that are in both events. A. compound B. dependent C. intersection D. universal 4. A set that contains all of the elements that are in at least one of the two events. A. complement B. independent C. simple D. union 5. Precious Venus Shine 90! coins from her coin purse which accidentally rolled on the oor. If there were 8 possible outcomes. how many coins fell on the oor? A.16 3.8 (3.4 D.3 6. Gorgeous JM rolls two dice. The fist die shows a 3. The second die rolls under his desk and he cannot see it. Now. what Is the probability that both dice show 3? QUARTER 3: MODULE 8 Finding the Probabilty at Union of Two or More Events A. 1386 B. U6 C. I\" D. \"3 7. The local weather forecaster said that there is a 40% chance of rain tomorrow. What is the probability that it will not rain tomorrow? A. 0.4 B. 0.6 C. 40 D. 60 8. In a 1.250 ticket (tow for an educational prize. Charm Brilliant' 5 name was written on 77 tickets. What is the probability that he would win? A. 0.77 B. 0.616 C. 0.077 D. 0.0616 9. The probability that a visit to the school clinic is neither due to dental reasons nor medical reasons is 35%. Of those coming to the clinic. 30% are due to medical reasons and 40% (re due to dental reasons. What is the probability thata visit to the school clinic is due to both dental and medical reasons? A. 0.25 B. 0.18 C. 0.12 D. 0.10 medical reasons? A. 0.25 B. 0.18 C. 0.12 D. 0.10 For numbers 10 to 15, use the following situation: The extracurricular activities participated by members of Mathematics Club at San Andres National High School - Cabadiangan Annex are shown in the Venn diagram below. Athletics 22 17 14 Band 18 Choir 13 16 12 Extra- curricular activities participated by Math Club members 10. How many members are in Mathematics club? A. 100 B. 108 C. 120 D. 150 J 10 QUARTER 3: MODULE 8 Finding the Probability of Union of Two or More Events 11. How many members participate in athletics? A. 22 B. 39 C. 53 D. 71 12. How many members participate in band? A. 13 B. 20 C. 46 D. 64 13. If a member is randomly chosen, what is the probability that a member participates in athletics or band? A. 9/10 B. 5/6 C. 7/10 D. 13/30 14. If a member is randomly chosen, what is the probability that a member participates in band or choir? A. 2/15 B. 7/40 C. 11/24 D. 43/60 15. If a member is randomly chosen, what is the probability that a member participates only in athletics and band? A. 13/120 B. 17/120 C. 3/20 D. 11/60
