Topic: Probability of a Union of Two Events

Act. 1

Directions: Solve and show your solution. Write your answer on a separate sheet. You will be graded according to the rubric below. 3 2 1 0 Word Solution is Representation Solution is No answer. Problem/ solution essentially were incorrect. correct. essentially correct but not accurately or completely labeled. 1. A bowl contains 15 chips numbered from 1- 15. If a chip is drawn randomly from the bowl, what is the probability that it is a. 7 or 15? b. 5 or a number divisible by 3? c. Even or divisible by 3? d. A number divisible by 3 or divisible by 4? 2. If a pair of die is rolled, what is the probability of rolling on an odd number or a multiple of 3? 3. On New Year's Eve, the probability of a person having a car accident is 0.09. The probability of a person driving while intoxicated is 0.32 and probability of a personDirections: Solve and show your solution. Write your answers on a separate sheet. 1. If a letter is to be selected from the word MILLENIALS, find the probability that the letter is: a. A vowel letter b. A consonant letter 2. A group of students took a test. Grades and gender are summarized below. If one student is chosen at random, find the probability that the student was female or got a 'C' A B Total Male 18 19 40 Female 12 4 25 Total 30 23 12 65 The extracurricular activities in which the junior class at Crossing Bayabas National High School participate are shown in the Venn Diagram. Math Arts Club 30 51 38 137 Sports 67