Question: The student body at many community colleges is considered a "commuter population". The students activities office wishes to know "how far(one way) does the average community college student commute each day?" A random sample of 100 commuting students was identified and their one-way distances obtained. The resulting sample mean distance was \(10.22\) miles. Use sigma = 6 and estimate the mean one-way distance commuted by all commuting students using:
a.. a point estimate
b. a 95% confidence interval
c. find the margin of sampling error
d. find the length of the confidence interval