"imprecise answer" is correct and can be used in written English.
You can use it when you want to describe a response that is vague or lacking in important details. For example, "When I asked Jane about her new job, she gave me an imprecise answer and not much information."
(But who's counting?) It remains to be seen whether the oversight committee will refer Clemens and McNamee to the Justice Department, or whether federal agents will try to indict Clemens or McNamee for perjury, the way it happened for Barry Bonds, after he seemed to give some, er, imprecise answers under oath during the Balco investigation.
Deadlock detection in concurrent programs that create networks with arbitrary numbers of nodes is extremely complex and solutions either give imprecise answers or do not scale.
Some of these solutions have been criticized for making deceptive health-related claims and providing limited and imprecise answers regarding ancestry (Royal et al. 2010).
Social Q&A services are springing up everywhere because often search is too cumbersome or imprecise to answer our questions.
The conservative editorial page of The Wall Street Journal called his campaign "empty," and audience members at Mr. Christie's address on Wednesday to the Black Ministers Council of New Jersey, a group that leans Democratic, shouted "Answer the question!" when he gave an imprecise response to a request for details about budget cuts.
There are some situations where a user does not insist on precise answer to a particular problem regarding BDP, since a coarser-grained imprecise result would make him/her happy enough.
When the crowd answers are imprecise, we also address improving the accuracy of the top-k answers.
That meant that in most cases, inquiries sent to imprecise handles never got answered.
Any estimate based on a small number of individuals will be less reliable than one based on a larger number, and when multivariate models are fitted to small datasets, the estimated impact of the covariates is too imprecise to give reliable answers.
It was an earnest answer, but altogether imprecise.
