The contestants dress themselves.
handicapped people?
Once you pass the test you have auditions based on more than the ability to answer
Yes, there have been over ten thousand contestants on the show since the Alex Trebek version started over 25 years ago on September 10 1984. The number of contestants is even greater and the original contestants much older if you include all Jeopardy games from the Art Fleming versions of Jeopardy which began over 45 years ago on March 30 1964.
no
During the commercial break after they find out the category.
They have had a few and will again. Travel to Jeopardy to audition is at a person's own expense.
Unlike Jeopardy contestants keep the money won or get theminimum$1000
Names of the Jeopardy Contestants are available at the Jeopardy archive. See related link and look for that date under the season for the episode
Jeopardy - 1984 20-1 was released on: USA: 8 September 2003
Jeopardy - 1984 20-2 was released on: USA: 9 September 2003
Jeopardy - 1984 20-3 was released on: USA: 10 September 2003