Instruction 8-1
A random sample of 100 stores from a large chain of 1,000 garden supply stores was selected to determine the average number of lawnmowers sold at an end-of-season clearance sale. The sample results indicated an average of 6 and a standard deviation of 2 lawnmowers sold. A 95% confidence interval (5.623 to 6.377) was established based on these results.
-Referring to Instruction 8-1,there are 10 possible samples of 100 stores that can be selected out of the population of 1,000 stores.

Question

Quizplus · Accepted Answer

There are far more than 10 possible samples of 100 stores that can be selected from a population of 1,000 stores. The number of possible samples is calculated using combinations, specifically $ \binom{1000}{100} $, which is much larger than 10.

Instruction 8-1 A Random Sample of 100 Stores from a Large Chain