a. Use theone-mean t-interval procedure with the samplemean, samplesize, sample standarddeviation, and confidence level given below to find a confidence interval for the mean of the population from which the sample was drawn.

b. Obtain the margin of error by taking half the length of the confidence interval.

c. Obtain the margin of error by using the formulat/2sn.

x=33

n=36

s=3

confidence level=95%

a. The95%confidence interval aboutis______to_____.

(Round to three decimal places asneeded.)

b. The margin of error found by taking half the length of the confidence interval is______

(Round to three decimal places asneeded.)

c. The margin of error found by using the formula is_______.

(Round to three decimal places asneeded.)