Solution 2 03 1 4 2 02 4 1 02 this implies that on

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Solution: ( ) ( ) ( ) ( ) 2 0.3 1 .4 2 0.2 4 .1 0.2 =− + − + + =− This implies that, on the average, the player will lost Php 0.2.
Example 7:The scores of 15 friends in their Statistics and Probability Exam are as follows: 78, 95, 65, 82, 92, 54, 81, 83, 90, 78, 82, 89, 79, 82, 86. a. What is the mean of their scores? b. If their teacher decided to add 5 bonus points to all students who scored 60 to 75, what is the difference between the new mean and the old mean of their scores?

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