Concept explainers
a.
To discuss: The sampling distribution of
a.
Answer to Problem 38E
It is approximately
Explanation of Solution
Given:
Formula used:
The properties for mean and standard deviation are:
Calculation:
The calculation for mean and standard deviation is done as:
Thus, it is normally distributed with mean = 4.8 and standard deviation = 1.0883
b.
To find: The
b.
Answer to Problem 38E
The probability is 0.9949.
Explanation of Solution
Calculation:
The probability that difference between
Thus, the probability of difference is 0.9949.
c.
To explain: If it is surprising that the sample mean height of female is more than 2 inches than the sample mean height of male.
c.
Answer to Problem 38E
No.
Explanation of Solution
The above part shows that the probability is 0.9949 which is above 0.05. It implies that the
Chapter 10 Solutions
The Practice of Statistics for AP - 4th Edition
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Fundamentals of Statistics (5th Edition)
STATS:DATA+MODELS-W/DVD
Introductory Statistics
Elementary Statistics: Picturing the World (7th Edition)
An Introduction to Mathematical Statistics and Its Applications (6th Edition)
Introductory Statistics (2nd Edition)
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