Casp7181 Casp7181
  • 24-11-2022
  • Mathematics
contestada

The average annual salary in pennsylvania was $25,000 in 1992. assume that salaries were normally distributed for a certain group of wage earners, and the standard deviation of this group was $3,000. find the probability that for a randomly selected sample of 10 individuals, the mean salary was less than $24,000.

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