Page 573 - Basic College Mathematics with Early Integers

550 C HAPTE R 7 I STATISTICS AND PROBABILITY

For Exercises 39 and 40, the grades are given for a student for a particular semester. Find each grade point average.
If necessary, round the grade point average to the nearest hundredth.

39. 40.
Grade Credit Hours Grade Credit Hours
A 3 B 3
A 3 B 4
C 2 C 2
B 3 D 2
C 1 B 3

(7.4) Draw a tree diagram for each experiment.Then use the diagram to determine the number of outcomes.

41. Tossing a coin and then spinning 42. Spinning Spinner 2 and then toss-
Spinner 1 ing a coin

Spinner 1 Spinner 2

43. Spinning Spinner 1 twice 44. Spinning Spinner 2 twice 45. Spinning Spinner 1 and then
Spinner 2

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