The phrase "a pretty good estimate" is correct and usable in written English.
It can be used when providing an approximation that is reasonably accurate but not exact.
Example: "Based on the data we have, I would say this is a pretty good estimate of the project's costs."
Alternatives: "a fairly accurate estimate" or "a reasonable approximation".
We think the $250 billion placeholder is a pretty good estimate.
"At best, we can say that these new scores are a pretty good estimate of the way schools and pupils are performing now".
"So we ought to be able to make a pretty good estimate of the grams required to treat every patient in the country in any given year," he said.
If the material happens to be a piece of wood taken out of an Egyptian tomb, for example, we have a pretty good estimate of how old the artifact is and, by inference, when the tomb was built.
The chart above shows a pretty good estimate of Groupon's monthly U.S. revenues based on an analysis of every Groupon deal on its site over the last year (each deal page shows how many Groupons were sold and the price).
"If you take the last two months of what's happened in Egypt for example, and you search every country's history for the periods in the past that are most similar to right now, and then you look at what happened after all those periods, that gives you a pretty good estimate of what happens next".
But, a stock market announcement last month detailing share awards, allows pretty good estimates to be made.
But it's also a pretty good bit of research for the estimated one-in-three women who have trouble orgasming with their partner – a figure that increases among young women who are only just exploring their sexuality.
But it's also a pretty good bit of research for the estimated one in three women who have trouble orgasming with their partner a figure that increases among young women who are only just exploring their sexuality.
