a.
Calculate the average.
a.
Answer to Problem 10RE
The average is 0.15.
Explanation of Solution
Calculation:
Here, 200 draws are made randomly with replacement from the box containing the numbers –3, –2, –1, 0, 1, 2, 3.
The sum of 200 draws is 30 and their average is calculated as follows:
Thus, the average is 0.15.
b.
Find the average.
b.
Answer to Problem 10RE
The average is –0.10.
Explanation of Solution
Calculation:
Here, 200 draws are made randomly with replacement from the box containing the numbers –3, –2, –1, 0, 1, 2, 3.
The sum of 200 draws is –20 and their average is calculated as follows:
Thus, the average is –0.10.
c.
Find the general term of average.
c.
Answer to Problem 10RE
The general term of average is sum of the draws divided by 200.
Explanation of Solution
Calculation:
The average is the sum of the draws divided by number of draws.
The general term of average is sum of the draws divided by 200.
d.
Check whether the options are same.
If not same, identify the better one.
d.
Answer to Problem 10RE
Same.
Explanation of Solution
In option (i), the sum of 200 draws is –5 and 5 and their average is calculated as:
Hence, the average is –0.025 and 0.025 which is same as the average in option (ii).
Thus, the average is same in both the options.
Same.
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Chapter 16 Solutions
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