Math 78 Name ___________________________________ Unit 3: Probability Date _______________ Post Test STUDY GUIDE – Knowledge and Understanding The probability of a given event can be represented as a ratio between what two numbers? Directions for questions 2 4, use the spinner to the right to answer – – 2. P(A) 3. (consanant) P 4. (not F or B) P For Exercises 5-7, what is the total number of outcomes in each sample space? 5. picking a day in the month of may and tossing a coin rolling a number cube and selecting a card from a standard deck 6. 7. choosing a setting on a washing machine from regular or extra dirty; hot or cold water; regular rinse or extra rinse A bag of marbles contains 3 red, 17 orange, 13 blue, and 8 multi-colored marbles. What is the probability of randomly selecting a marble that is not orange? If 5 out of 12 people prefer peanut butter over apple butter, how many people out of 120 people would you predict would prefer peanut butter?
Math 78 Name ___________________________________ Unit 3: Probability Date _______________ Post Test – STUDY GUIDE Knowledge and Understanding The probability of a given event can be represented as a ratio between what two numbers? Directions – for questions 2 – 4, use the spinner to the right to answer 2. P(A) 3. P (consanant) 4. P (not F or B) For Exercises 5-7, what is the total number of outcomes in each sample space? 5. picking a day in the month of may and tossing a coin 6. rolling a number cube and selecting a card from a standard deck 7. choosing a setting on a washing machine from regular or extra dirty; hot or cold water; regular rinse or extra rinse A bag of marbles contains 3 red, 17 orange, 13 blue, and 8 multi-colored marbles. What is the probability of randomly selecting a marble that is not orange? If 5 out of 12 people prefer peanut butter over apple butter, how many people out of 120 people would you predict would prefer peanut butter?