Solution Found!
Shear strength measurements for spot welds have been found
Chapter 7, Problem 50E(choose chapter or problem)
QUESTION:
Problem 50E
Shear strength measurements for spot welds have been found to have standard deviation 10 pounds per square inch (psi). If 100 test welds are to be measured, what is the approximate probability that the sample mean will be within 1 psi of the true population mean?
Questions & Answers
QUESTION:
Problem 50E
Shear strength measurements for spot welds have been found to have standard deviation 10 pounds per square inch (psi). If 100 test welds are to be measured, what is the approximate probability that the sample mean will be within 1 psi of the true population mean?
ANSWER:
Step 1 of 3
Given that,
The sample size is 100 and the standatrd deviation is 10 pounds per square inch.