>>105791955
>>105791982
A bit is either 0 or 1. That's the total value of the information encoded. True or false, that's all a bit can be.
A qubit is either 0 or 1, but before you check to see whether it is 0 or 1, it also encodes the all possible ways you could have gotten a 0 or 1.

With a qubit you can do the same process over and over and get 0 sometimes and 1 others. You can then look at how often you get a 0 or 1 and get more information about the process.
With a bit, if you do the same process over and over you get the exact same result over and over.