9.3.36

The weights of four randomly and independently selected bags of tomatoes labeled

5.0 pounds were found to be 5.2, 5.0, 5.5, and 5.4 pounds.

Assume Normality, aone-sample t-interval must be used.

The formula below can be used to find the confidence interval where x is the samplemean, the multipliert* is a constant found using at-distribution with n1 degrees of freedom that is used tofine-tune the margin of error so it has the desired level ofconfidence, s is the sample standarddeviation, and n is the sample size.

compute the confidenceinterval, for thisexample, use technology.

Enter the four given values into your technology. Use technology to calculate a95% confidence interval. What is the lower bound of theinterval?

The lower bound of the confidence interval is

PLEASE TELL ME WHAT BUTTONS YOU PUSHED ON THE TI84 CALCULATOR TO GET YOUR ANSWER AND THE STEPS