A person's confidence is high when challenging oneself to achieve their goals through education and continuous learning. Experiencing failure is a reason to rebuild self-confidence, self-esteem, and self-worth. High confidence is not being a perfectionist, it's the knowledge and strength a person has.
In a military context, it means that a situation is confirmed by many reliable and verifiable sources. E.g.: See the confirmation, by an Airborne Command & Control officer, about an incoming nuclear attack in the movie "The Day After".
it means to be deprived of courage, strength, determination, or confidence
It means the memo or note attached is for staff eyes only.
It means to show self importance and confidence. To show off and be proud and pompous.
"confidence"
A word for full of confidence is, confident.
The cost of goods is very high. Your confidence may be very high
It means that your confidence is so high (or you're so high on yourself) that you feel as if you can touch the stars.
The individual who is issued the permit has a high degree of proficiency in the use of firearms.
The confidence interval is not directly related to the mean.
In sports, confidence means beleiving in yourself and being an optomist.
loudly, with confidence
Confidence
It means 'attending a meeting'.
It means they have confidence
It is a theory.
Confidence intervals may be calculated for any statistics, but the most common statistics for which CI's are computed are mean, proportion and standard deviation. I have include a link, which contains a worked out example for the confidence interval of a mean.
The phrase "his hopes were so high" means that the person had very optimistic or ambitious expectations for a particular outcome or situation. It implies that they had great confidence in achieving their goals or desires.