a teacher says that the top 10% of the class received an A on the last test. the scores were normally distributed with mean 67 a
1 answer:
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Answer:
36.5 inches
Step-by-step explanation:
Given
See attachment for the given data
Required
Which length is closest to 4.2lb
The given data is a linear dataset.
So, we start by calculating the slope (m)
Pick any two corresponding points from the table
So, we have:
So:
The linear equation is then calculated using:
This gives:
Open bracket
To get the length closest to 4.2lb,
we set
Then solve for x
So, we have:
Collect like terms
Solve for x
