What is the standard error of the sampling distribution


Records maintained by the office of budget in a particular state indicate that the amount of time elapsed between the submission of travel vouchers and the final reimbursement of funds has approximately a normal mean of 39 days and a population standard deviation of 12 days.  A sample of 16 vouchers was pulled at random.

  • What is the standard error of the sampling distribution?
  • What is the probability that the sample mean will be less than 31 days for reimbursement?
  • What is the probability that the sample mean will indicate between 35 and 45 days for reimbursement?
  • What is the probability that the sample mean will indicate more than 46 days for reimbursement?

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Business Management: What is the standard error of the sampling distribution
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