"it is not implausible that" is correct and usable in written English.
It is often used when a speaker is expressing something that seems unlikely but may still be true. For example: "Given the circumstances, it is not implausible that further delays could occur."
It is not implausible that Dell will deploy its $6 billion in net cash to buy Motorola's handset division, which is soon to release a phone using Google 's Android platform.
It is not implausible that the pound could reach parity with the dollar.
It is not implausible that a judge who saw the psychiatrist's letter might decide to end the eviction action.
"It is not implausible that a greater proportion of torso and extremity fat may protect against injury," the report said.
None of them has demonstrated a causal link, but it is not implausible that companies will benefit from a more diverse workforce with a broader set of ideas.
But it is not implausible that some other 'risk' will emerge over the next few months (the debt ceiling is the most obvious candidate) that will convince the Fed to delay even longer.
Of course, it's not implausible that Uber will continue to expand its speedy provision of motor vehicles with random men behind the wheel and make a lot of people happy in the process.
"It's not implausible that 24/7 could do a very similar project with DrivePm in the Microsoft world," Mr. Norman of GroupM said.
"There are some very small elements of the Bahraini Shia who are loyal to Iran and it's not implausible that this is someone genuinely disenchanted about what has been happening between Britain and Iran," he said.
Ms. Mahmoud told the police that the girl was very active, and that it was not implausible that she could have climbed the side of the tub and tumbled inside.
(It's been shown that people with schizophrenia have a distinctive way of walking, so it's not implausible that Andy Serkis-style motion-capture smart clothing could play a role in improving diagnostic accuracy in mental health).
