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Mathematics, 20.07.2019 06:20 CylieTbh
Find the probability and interpret the results. use statcrunch to find the probability.
the population mean annual salary for environmental compliance specialists is about $63 comma 50063,500. a random sample of 3030 specialists is drawn from this population. what is the probability that the mean salary of the sample is less than $60 comma 00060,000? assume sigmaσequals=$6 comma 0006,000.
the probability that the mean salary of the sample is less than $60 comma 00060,000 is nothing.
(round to four decimal places as needed.)
interpret the results. choose the correct answer below.
a.
about 0.070.07% of samples of 3030 specialists will have a mean salary less than $60 comma 00060,000. this is not an unusual event.
b.
about 77% of samples of 3030 specialists will have a mean salary less than $60 comma 00060,000. this is not an unusual event.
c.
only 77% of samples of 3030 specialists will have a mean salary less than $60 comma 00060,000. this is an extremely unusualextremely unusual event.
d.
only 0.070.07% of samples of 3030 specialists will have a mean salary less than $60 comma 00060,000. this is an extremely unusualextremely unusual event.
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