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A recent study of the Greater Los Angeles Taxi Driver Association demonstrated that the average or media tariff that they charge from Hermosa Beach to the International Airport of Los Angeles is $18.00 and the standard deviation is $3.50. We select a sample of 15 tariffs.
a. Which is the probability that the median of the sample is between $17 and $20?
b. What we must suppose to do the previous calculation?
Write down the probability of that the median of the sample or average medians is greater or more than 320 minutes?
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