An experiment was performed on a certain metal to determine if the strength is a function of heating time.95% prediction interval for the strength of a metal sheet when the average heating time is 4 minutes is from 3.235 to 6.765.We are 95% confident that an individual sheet of metal heated for four minutes will have strength of at least 4 pounds per square inch.Do you agree with this statement?
A)Yes,agree
B)No,disagree

Question

Quizplus · Accepted Answer

We are NOT 95% confident that an individual sheet of metal heated for four minutes will have strength of at least 4 lbs per sq.inch because confidence interval is between 3.235 and 6.765 pounds per square inch.

An Experiment Was Performed on a Certain Metal to Determine