Question
A body mass index (BMI) between 20 and 25 indicates a normal weight. In a random survey of 730 people from Group A and 773
A body mass index (BMI) between 20 and 25 indicates a normal weight. In a random survey of 730 people from Group A and 773 people from Group B, it was found that 295 people from Group A and 281 people from Group B were normal weight. Construct a 95% confidence interval of the difference in the proportion of people from Group A and people from Group B who are normal weight. Then interpret the interval. Note the subscripts and represent people from Group A and people from Group B, respectively. Therefore sample 1 is the people from Group A and sample 2 is the people from Group B. ? < Pa - Pb < ? Round each answer to 4 decimal places.
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started
Essentials of Business Analytics
Authors: Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson
2nd edition
1305627733, 978-1305861817, 1305861817, 978-0357688960, 978-1305627734
