Answer:
5
Step-by-step explanation:
The answer is 1.67 because you have to subtract 1.93 from 3.6
Answer:
Step-by-step explanation:
1. Let the number be x
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2. Let the percent be x %
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3.
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4. Let the number be x
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1. 50 * 0.02 = 1. Or 2% of 50 = 1.
Answer:
11
Step-by-step explanation:
Given:
A collection of 8 backpacks has a mean weight of 14 pounds
A different collection of 12 backpacks has a mean weight of 9 pounds
Question asked:
What is the mean weight of the 20 backpacks ?
Solution:
For first collection of backpacks.
As we know:
For Second collection of backpacks.
Now, we will find the mean weight of the 20 backpacks altogether.
<u>Mean weight of the 20 backpacks = Total sum of observations divided by total number of observations</u>
Combined Mean =
=
Therefore, the mean weight of the 20 backpacks is 11.