Scientists use the rule of 70 to calculate human population growth.
According to the rule of 70, what is the doubling time
for a nation with a population growth rate of 5% per
year?

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

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