anonymous
  • anonymous
In a study of 100 common stocks, it was found that the annual dividend rates were normally distributed, with a mean of 4.0% and a standard deviation of 0.5% About how many of these stocks paid more than 5%?
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
\[\frac{X-\mu}{\sigma}\] \[\frac{5-4}{.5}=2\] so you have a z score on the standard normal table of 2. You can look up the probability of being higher than that in a cart.
anonymous
  • anonymous
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