To select: the best answer for the given question.
Answer to Problem 7PT
Option (c) is right option.
Explanation of Solution
Given:
97% have heights between 5’0” and 7’0”.
Calculation:
According to the
Thus,
Using equations (1) and (2), obtain the value of standard deviation as follows.
As per the requirement, subtract (1) from (2).
It is known that 12 inches
Thus the standard deviation is obtained as
Option (c) is right option.
Conclusion:
Therefore option (c) is right option.
Chapter 2 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
Essentials of Statistics (6th Edition)
Elementary Statistics
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