Which of the following statement concerning about the probability concepts is TRUE（）
A、Ajointprobabilityistheprobabilitythattwoormoreeventshappenconcurrently.
B、Subjectiveprobabilityisaprobabilitydrawingonobservation.
C、Arandomvariableisaquantitywhoseoutcomesarecertain.
发布时间：2025-06-03 13:31:14
