The manager of a grocery store has taken a random sample of 100 customers. The average length of time it took these 100 customers to check out was 3.0 minutes. It is known that the standard deviation of the population of checkout times is one minute. The 95% confidence interval for the true average checkout time (in minutes) is
a. 3:00 to 5:00
b. 1.36 to 4.64
c. 1.00 to 5.00
d. 2.804 to 3.196
D
You might also like to view...
Marketers should assume that buyers will pass through the classic hierarchy of affective, cognitive, and behavioral stages, in that order
Indicate whether the statement is true or false
Individuals who work collaboratively and cooperatively to achieve commonly held goals or vision are called ______.
a. a group b. a team c. visionaries d. free riders
Equipment costing $30,000 with a residual value of $3,000 and an estimated life of eight years has been depreciated using the straight-line method for two years. Assuming a revised estimated total life of five years, the depreciation expense for year 3 would be
a. $3,375. b. $4,500. c. $6,750. d. $5,400.
When accounting for property taxes, which of the following accounts normally would not be credited?
A) Prepaid Property Taxes B) Cash C) Estimated Property Taxes Payable D) Property Taxes Expense