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anonymous
 5 years ago
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%?
anonymous
 5 years ago
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%?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[\frac{X\mu}{\sigma}\] \[\frac{54}{.5}=2\] 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.
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