Below you are given ages that were obtained by taking a random sample of 6 undergraduate instructors at a university. Assume the population has a normal distribution.
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a.What is the point estimate of ??b.Determine the standard deviation.c.Construct a 90% confidence interval for the average age of undergraduate instructors.d.Construct a 99% confidence interval for the average age of undergraduate instructors.e.Discuss why the 90% and 99% confidence intervals are different.
What will be an ideal response?
?
| a. | 40 years |
| b. | 2.19 (rounded) |
| c. | 38.20 to 41.80 years (rounded) |
| d. | 36.39 to 43.61 years (rounded) |
| e. | As the level of confidence increases, the confidence interval gets wider. |
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Indicate whether the statement is true or false
Use the following to answer questions 1?9:Indicate how each event affects the elements of the financial statements. Use the following letters to record your answer in the box shown below each element. You do not need to enter amounts.Increase = I Decrease = D No Effect = NA(Note that "No Effect" means that the event does not effect that element of the financial statements or that the event causes an increase in that element is offset by a decrease in that same element.) In preparing the bank reconciliation of Heath Company, an employee found that the company had deposits in transit of $2,200.AssetsLiabilitiesStk. EquityRevenuesExpensesNet IncomeStmt of Cash Flows???????
What will be an ideal response?