Concept explainers
(a)
To find:
The babies born at city hospital were longer than trey.
(a)
Answer to Problem 17E
Explanation of Solution
Given:
The mean length is
The standard deviation is
Concept used:
There is a large number of values in a set of data.
The graph of this distribution is a symmetric, bell-shaped curve.
Calculation:
The mean length
The standard deviation
Trey was long at birth
(b)
To find:
The babies born at city hospital were shorter than trey.
(b)
Answer to Problem 17E
Explanation of Solution
Given:
The mean length is
The standard deviation is
Concept used:
Normal distribution: - A normal distribution is a frequency distribution that often occurs
There is a large number of values in a set of data.
The graph of this distribution is a symmetric, bell-shaped curve.
Calculation:
The mean length
The standard deviation
Trey was long at birth
Chapter 14 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
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