Construct<span> the </span>confidence interval<span> for the </span>population mean<span> it </span>using<span> a </span>t-distribution<span>. ... In a </span>random sample<span> of eight </span>people<span>, the </span>mean commute time<span> to </span>work<span> was 35.5 </span>minutes<span> and the sample </span>standard deviation<span> was. </span>7.2 minutes<span>. ... </span>Use<span> a </span>t-distribution<span> to find the margin of error and </span>construct<span> a 95% ...</span>Assume normal<span> distribution.</span>
