b) If the probabilities are associated with the outcomes as in the table above,

Question

b) If the probabilities are associated with the outcomes as in the table above, standard deviation random variable x? In a major study by the statistics classes at Jefferson School, parking spaces were examined for compliance with the requirement to put money in the meters. overall, the students found that 80% of metered parking places had meters that had not expired, and 20% had expired. If the traffic officer in charge of ticketing cars with expired meters, and starts at a random location in the City, what is the probability he or she will find an expired meter before the 3rd one? on,

Explanation / Answer

7) here probabilty that metre is expired =0.2

hence probabilty that expired meter will be found before 3rd visit =P(it was found on first+not found on first but found on second visit) =0.2+0.8*0.2=0.36

please provide other part of questions in reply so that I cvan help

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