# Question: Suppose you have a friend who is willing to ask

Suppose you have a friend who is willing to ask her friends a few questions and then, based on their answers, is willing to assess the probability that those friends will get an A in each of their classes. She always assesses the probability to be either .10 or .90. She has made hundreds of these assessments and has kept track of whether her friends actually received A’s. How would you determine if she is well calibrated?

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