Asimple random sample of 100 postal employees is used to test if the average time postal employees have worked for the postal service has changed from the value of 7.5 years recorded 20 years ago. the sample mean was x = 7 years with a standard deviation of s = 2 years. assume the distribution of the time the employees have worked for the postal service is approximately normal. the hypotheses being tested are h0: μ = 7.5, ha: μ ≠ 7.5. a one-sample t test will be used. what are the appropriate degrees of freedom for this test?

When sending a claim to an insurance company for services provided by the physician, why are both icd-10 and cpt codes required to be submitted? how are these codes dependent upon each other? what would be the result of not submitting both codes on a medical claim to an insurance company?

Rediger inc., a manufacturing corporation, has provided the following data for the month of june. the balance in the work in process inventory account was $28,000 at the beginning of the month and $20,000 at the end of the month. during the month, the corporation incurred direct materials cost of $56,200 and direct labor cost of $29,800. the actual manufacturing overhead cost incurred was $53,600. the manufacturing overhead cost applied to work in process was $52,200. the cost of goods manufactured for june was:

Acontractor was awarded a purchase order for commercial items for $1.5 million under the authority of far subpart 13.5. the purchase order was issued in november 2010 and containedall applicable clauses that were current as of the date of the purchase order. under the purchase order, the contractor is required to comply with a small business subcontracting plan that contains all of the required elements. which of the following is true? a.the contractor must submit a standard form 294, subcontracting report for individual contracts. b.the contractor must submit an individual subcontracting report through the electronic subcontracting reporting system (esrs). c.the contractor may submit either an sf 294 or report its subcontracting through esrs. d.the contractor is not required to submit any subcontracting reports.