Original sentence: , with equal probabilities, which door to open if both hide goats (Barbeau 2000:87).An unambiguous and completely specified description of the resulting problem is then:.For example it is not clear if the host considers the position of the prize in deciding whether to open a particular door or if he is required to open a door under all circumstances (Mueser and Granberg 1999).However, almost all sources make the "standard" assumptions that the car is initially equally likely to be behind each door and that the host must open a door showing a goat, and must make the offer to the contestant that he may switch doors.Many also assume that the host chooses completely at randoml, i.Selvin's "Monty Hall problem" was restated in its now well-known form in a letter to Marilyn vos Savant's "Ask Marilyn" column in Parade:
Edited sentence: A fully unambiguous, mathematically explicit version of the standard problem is:.According to Krauss and Wang (2003:10), even if these assumptions are not explicitly stated, people generally assume them to be the case.For example it is not clear if the host considers the position of the prize in deciding whether to open a particular door or is required to open a door under all circumstances (Mueser and Granberg 1999).Selvin's "Monty Hall problem" was restated in its well-known form in a letter to Marilyn vos Savant's "Ask Marilyn" column in Parade:.The standard analysis is based on the additional assumptions that the car is initially equally likely to be behind each door and that the host must open a door showing a goat, must randomly choose which door to open if both hide goats, and must make the offer to switch (Barbeau 2000:87)