Which of the following statements are true?

If a set of values can be described as precise, the values must be accurate.

If some values can be described as accurate, the set of them also can be described as precise.

If a set of values can be described as precise, the values may be accurate.

A set of values is possible to be described as accurate and precise.

If a set of values can be described as precise, the values may be inaccurate.