A furniture company wants to test a random sample of sofas to determine how long the cushions last. They simulate people sitting on the sofas by dropping a heavy object on the cushions until they wear out; they count the number of drops it takes. This test involves 9 sofas.

• Mean = 12,648.889
• s = 1,898.673
• Assume it follows a normal distribution. Generate a 95% confidence interval for this problem. Remember to use a t-value. Label all the parts

Answer rating: 100% (QA)

Ans tvalue for the area of 0952262 Mean tvalue SEM 12648889 2262 1898673 8354... View the full answer