Math

Danielle wants to determine the median age of the 300 people attending a music festival. She selects 3 people at random and determines the median. What may be concluded about the results?

A. The results are a good predictor of the median age of the attendees.
B. The sample size is too small to give a reliable conclusion. ****
C. The sample was not truly random, so it is not reliable.
D. The population is too large to get reliable results from any sample size.
Please help! TIA

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