"We'll see what happens", Mr. Trump said, arguing that if there is no evidence of collusion, "it seems unlikely that you would even have an interview".
Forty-eight percent of voters in the Politico/Morning Consult poll said it is "very or somewhat likely" the president will be cleared on wrongdoing in the investigation, while 37 percent said "it's not too likely or not at all likely" the president will be exonerated.
Mueller has been methodically collecting tens of thousands of documents from the White House and Trump campaign and has interviewed some of the president's closest aides as part of his investigation into Russian meddling in the 2016 election.
President Donald Trump repeated his contention that there wasn't any collusion with Russian Federation, but he declined to say whether he would agree to a possible interview request from Special Counsel Robert Mueller, who is investigating Russian Federation meddling in last year's election.
Q&A Who is running the Trump-Russia investigations?
Mueller has been investigating whether anyone from Trump's team assisted with Russia's interference in the 2016 presidential campaign, but also whether Trump tried to obstruct justice by impeding the probe. They can also call high-profile witnesses for questioning, schedule public hearings and release testimony or other information.
At a joint press conference with Norwegian Prime Minister Erna Solberg, Trump stuck to his main talking point about the investigation, that "there is no collusion" between his campaign and Russian agents.
Lawyers for the president have spoken with FBI investigators about a potential interview, three people familiar with the matter.
Trump also repeated that the investigation into Russian interference in the 2016 US election is a "Witch Hunt" and says "Republicans should finally take control!" "When they have no collusion and nobody's found collusion at any level it seems unlikely that you'd have an interview". "Without the wall, it all doesn't work", he insisted.