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One list of 100 numbers contains 20% ones and 80% twos. A second list of 100...

One list of 100 numbers contains 20% ones and 80% twos. A second list of 100 numbers contains 50% threes and 50% fives. A third list is obtained by taking each number in the first list and adding the corresponding number in the second list. Note that you are not provided the order of the first and second lists.

(a) What is the average of the third list? Or is this not determined by the information given? (b) Repeat (a) with ‘adding’ replaced by subtracting.

(c) Repeat (a) with ‘adding’ replaced by multiplying by. (d) Repeat (a) with ‘adding’ replaced by dividing by.

math   Statistics-And-Probability   
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