Confidence Intervals We Use Everyday Discussion

Your car’s owner’s manual states that the tire pressure should be 32 Pounds Per Square (PSI) Inch + 3 PSI; what:

Is the range of properly operating tire pressure?

Is the Error term?

Are the ramifications of running your tires at 38 PSI?

What is the manufacturer of the tire telling us about running a tire higher or lower than the recommended range?