Question

Which of the following most accurately describes the right of American citizens to privacy?
The right to privacy is determined entirely by the states on a case-by-case basis.
The right to privacy is explicitly granted in the Constitution.
The Supreme Court has ruled that the right to privacy is implied in the Bill of Rights.
There is no right to privacy, but the government seldom violates individuals' privacy because it is not necessary for it to do so.

Answer 1

The right to privacy is explicitly granted in the Constitution. Though not mentioned in the Constitution it is implied there.  One example of this is the Fourth Amendment where people have a right against unlawful seizures for it also violates their privacy.