## Probability Trees Test

Unit Test #47

Select your answers to the following 10 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

 Q1: What name is given to the type of diagram shown above? A. Bar graphB. Pie chartC. Tree diagramD. Box and whisker diagram Answer 1: A                    B                    C                    D Q2: The diagram in Question 1 shows the probabilities when two coloured balls are drawn from a bag containing 7 red balls and 3 blue balls without replacing the first ball drawn. What is the probability the first ball is red? A. B. C. D. Answer 2: A                    B                    C                    D Q3: Using the diagram in question 1. Which answer would give the probability that both balls drawn were red? A B. C. D. Answer 3: A                    B                    C                    D Q4: Using the diagram in question 1. Which answer would give the probability that both balls drawn were blue? A. B. C. D. Answer 4: A                    B                    C                    D Q5: How many branches does the tree diagram have in question 1? A. 1B. 2C. 3D. 6 Answer 5: A                    B                    C                    D Q6: The above diagram indicates an experiment with how many trials? A. 1B. 2C. 3D. 6 Answer 6: A                    B                    C                    D Q7: In the diagram in question 6, what is the probability that the two coins tossed are both heads? A. 0.5B. 0.25C. 0.2D. 1 Answer 7: A                    B                    C                    D Q8: In the diagram in question 6, what is the probability that the two coins tossed are different ? A. 0.5B. 0.25C. 0.2 D. 1 Answer 8: A                    B                    C                    D Q9: Complete the set for the sample space for the experiment shown in question 6. {(H,H), (H,T), (..,...), (T,T)} A. (T, H)B. (H, T)C. (H, H)D. (T, T) Answer 9: A                    B                    C                    D Q10: When a six-sided die and a coin are thrown together, what is the probability that a "3" and a "head" result? A. B. C. D. Answer 10: A                    B                    C                    D