Give a practical interpretation of the​ interval, part
a.
a. With 10​% ​confidence, the true mean failure time of used colored display panels is between the endpoints of the confidence interval.
b. With 90​% ​confidence, the true mean failure time of used colored display panels is outside the endpoints of the confidence interval.
c. With 90​% ​confidence, the true mean failure time of used colored display panels is between the endpoints of the confidence interval.
d. With 10​% ​confidence, the true mean failure time of used colored display panels is outside the endpoints of the confidence interval.
e. An interpretation cannot be determined.