title: How to plot multiple normal distributions in 1 figure in R
body: <p>I have a data that gives the mean
  and SD:</p>
  
  <pre><code>#info mean sd
  info1 20.84 4.56
  info2 29.18 5.41
  info3 38.90 6.22
  </code></pre>
  
  <p>Actually there are more than 100 lines of this.
  How can I plot normal distributions for each one of the line in <em>one</em> figure 
  given the above data? </p>