According to the February 2008 Federal Trade Commission report on consumer fraud and identity theft, 23% of all complaints in 2007 were for identity theft ('Consumer fraud and,' 2008). Assume a state had 395 complaints of identity theft out of 1920 consumer complaints . Calculate a 98% confidence interval for the proportion of all complaints that are complaints of identity theft in that state.
What is the correct parameter symbol for this problem?
What is the wording of the parameter in the context of this problem?
np^= ?
The symbol and value of the point estimate on this problem are as follows: