1. An auto parts supplier wants information about how long car owners plan to keep their cars. A random sample of 25 cars owners results in ?̅ = 7.01 yrs., s = 3.74 yrs. Assume that the sample is...

1. An auto parts supplier wants information about how long car owners plan to keep their cars. A random sample of 25 cars owners results in ?̅ = 7.01 yrs., s = 3.74 yrs. Assume that the sample is drawn from a normally distributed population. Find a 95% Confidence Interval for the population standard deviation. Answer in detail, please Aspa