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A criminologist finds that 40% of 500 randomly selected convicts report having been assaulted by prison...

A criminologist finds that 40% of 500 randomly selected convicts report having been assaulted by prison personnel.

  1. a) Find the standard error of the proportion.

  2. b) Find and interpret the 95% confidence interval for the population proportion.

math   Statistics-And-Probability   
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