Concept explainers
To show:
Given diagram is a legitimate density curve.
Answer to Problem 4.1CYU
Since, the curve is above the horizontal axis and the total area under the curve is 1, we have a legitimate density curve.
Explanation of Solution
Given information:
Solution:
A density curve is a curve which is always on or above the horizontal axis and has area exactly 1 under it.
A density curve basically describes overall pttern of a distribution, thus area under curve and above any interval of values on horizontal axis is the proportional of all observations that fall in that interval.
The curve is above the horizontal axis and the total area under the curve is 1.
Conclusion:
Hence, we have a legitimate density curve.
Chapter 2 Solutions
The Practice of Statistics for AP - 4th Edition
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