title: How to use t.ppf()? which are the arguments?
body: <p>I couldn't understand how to properly use <code>t.ppf</code>, could someone please explain it to me?</p>
  <p>I have to use this information</p>
  <ul>
  <li>scipy.stats.t</li>
  <li>scipy.stats</li>
  <li>a mean of 100</li>
  <li>a standard deviation of 0.39</li>
  <li>N = 851 (851 samples)</li>
  </ul>
  <p>When I'm asked to calculate the (95%) margin of error using t.ppf() will the code look like below?</p>
  <pre><code>cutoff1 = t.ppf(0.05,100,0.36,850) 
  </code></pre>
  <p>Can somebody help me, please?</p>