Heuristics are also terrible at dealing with numbers in general

Heuristics are also terrible at dealing with numbers in general.
In one example, students were split into two groups.The first group was asked whether Mahatma Gandhi died before or after age 9,
while the second was asked whether he died before or after age 140.Both numbers were obviously way off,but when the students were then asked to guess the actual age at which he died,
the first group's answers averaged to 50 while the second group's averaged to 67.Even though the clearly wrong information
in the initial questions