A Random Sample of 10 University Students Was Surveyed to Determine

question 50

Short Answer

A random sample of 10 university students was surveyed to determine the amount of time spent weekly at the library.The times are: 13,14,5,6,8,10,7,12,15,and 3.If the times are normally distributed with a standard deviation of 5.2 hours,estimate with 90% confidence the mean weekly time at the library by all university students.

---

Definitions:

Straight-Line Depreciation

An operation for dividing up the expense of a tangible asset throughout its active life in uniform annual totals.

Required Rate of Return

This refers to the minimum expected yield by investors to compensate for the risk of the investment.

Financial Break-Even

The point at which total revenues equal total costs and expenses, leaving no net profit or loss.

Initial Investment

The amount of money used to start a project, purchase an asset, or invest in a business venture for the first time.