Answered step by step
Verified Expert Solution
Question
1 Approved Answer
Suppose the weights, in pounds, of the dogs in a city are normally distributed. If the population standard deviation is3 pounds, what minimum sample size
Suppose the weights, in pounds, of the dogs in a city are normally distributed. If the population standard deviation is3
pounds, what minimum sample size is needed to be95%
confident that the sample mean is within1
pound of the true population mean?
z
0.10
1.282
z
0.05
1.645
z
0.025
1.960
z
0.01
2.326
z
0.005
2.576
Use the table above for thez
-score, and be sure to round up to the nearest integer.
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