Difference between Improbable and Supposed

IMPROBABLE vs SUPPOSED: ADJECTIVE

Having a probability to low to inspire belief
Too improbable to admit of belief
Unlikely to take place or be true.
Not probable; unlikely to be true; not to be expected under the circumstances or in the usual course of events.
Not likely to be true.
Not likely to happen.
Having a probability too low to inspire belief
Not likely to be true or to occur or to have occurred

Not probable; not likely to be true; not to be expected under the circumstances of the case.

Probable, Unseemly, Impossible, Dubious, Unthinkable, Plausible, Supposed, Marvellous, Tall, Marvelous, Incredible, Unbelievable, Unconvincing, Unlikely, Implausible

So called, Improbable, Conjectural, Theoretical, Acknowledged, Reputed, Theoretic, Alleged, Questionable, Putative, Unlikely, Purported, Obligated, Expected, Intended

Probable, Unseemly, Impossible, Dubious, Unthinkable, Plausible, Supposed, Marvellous, Tall, Marvelous, Incredible, Unbelievable, Unconvincing, Unlikely, Implausible

So called, Improbable, Conjectural, Theoretical, Acknowledged, Reputed, Theoretic, Alleged, Questionable, Putative, Unlikely, Purported, Obligated, Expected, Intended

The nontrained SOC was used on improbable trials.
This scenario is also very improbable in practice.
Is there anything improbable or unreasonable in this?
Jews, this account is by no means improbable.
Her hair was an improbable shade of gold.
Arizona this year has clearly become highly improbable.
This is not an improbable account; for Dr.
The contingency we have not considered seriously looks strange; what looks strange is thought improbable; what is improbable need not be considered seriously.
This stunt makes nearly impossible opportunities to make friends merely improbable, improbable opportunities probable, and probable opportunities outright certain.
Unsuited: improbable Poor: improbable Unsuited: improbable Poor: improbable Poor: improbable Poor: improbable Poor: improbable Unsuited: improbable Unsuited: improbable Poor: improbable Poor: improbab

Board is supposed to give direction right away.
What was she supposed to be apologizing for?
Had all hardware it was supposed to have.
Medicaid, which is supposed to provide health coverage.
It is not supposed to be a primacy.
It was supposed to arrive yesterday or today.
Are we supposed to gather regularly for worship?
Is that supposed to be a bad thing?
Pericles, which was supposed to invest in Ukraine.
Are we obeying God in what we are supposed to do and in also what we are not supposed to do?