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You may need to use the appropriate appendix table or technology to answer this question. Sparr Investments, Inc., specializes in taxideferred investment opportunities for its
You may need to use the appropriate appendix table or technology to answer this question. Sparr Investments, Inc., specializes in taxideferred investment opportunities for its clients. Recently Sparr offered a payroll deduction investment program for the employees of a particular company. Sparr estimates that the employees are currently averaging $100 or less per month in taxideferred investments. A sample of 39 employees will be used to test Span's hypothesis about the current level of investment activity among the population of employees. Assume the employee monthly taxideferred investment amounts have a population standard deviation of $75 and that a 0.05 level of signicance will be used in the hypothesis test. (a) What is the type II error in this situation? O Reject Sparr Investments' claim that the employees are currently averaging $100 or less per month In taxideferred investments when It is true. 0 Reject Sparr Investments' claim that the employees are currently averaging $100 or less per month in taxideferred investments when it is false. Fail to reject Sparr Investmenbs' claim that the employees are currently averaging $100 or less per month in taxideferred Investments when it is false. 0 Fail to reject Sparr lnvestments' claim that the employees are currently averaging $100 or less per month in taxideferred investments when it is true. vl (b) What Is the robability of the type 11 error if the actual mean employee monthly investment Is $125? (Round your answer to four decimal places. If it Is not possible to commit a type II ermr enter NOT POSSIBLE.) (c) What Is the probability of the type 11 error if the actual mean employee monthly investment Is $130? (Round your answer to four decimal places. If it is not poible to commit a type II error enter NOT POSSIBLE.) : (d) Msume a sample size of 78 employees is used and repeat parts (b) and (c). What is the probability of the type II en'or if the actual mean employee monthly investment is $125? (Round your answer to four decimal places. If it is not possible to commit a type II error enter NOT POSSIBLE.) : What is the probability of the type 11 error if the actual mean employee monthly investment is $130? (Round your answer to four decimal places. If it is not possible to commit a type II error enter NOT POSSIBLE.)
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