According to the Federal Trade Commission report on consumer fraud and identity theft, 23% of all complaints in 2007 were for identity theft. This year, a certain state kept track of how many of its 1380 complaints were for identity theft. They want to know if the data provide enough evidence to show that this state had a different proportion of identity theft than 23%. State the sample statistic, population parameter, and hypotheses. a) The sample statistic in context is: Select an answer A randomly selected complaint filed with the FTC for that state. The percentage of 1380 randomly selected complaints filed with the FTC for that state that are for identity theft. The percentage of all complaints filed with the FTC for that state that are for identity theft. The mean number of all complaints filed with the FTC for that state that are for identity theft. The mean number of 1380 randomly selected complaints filed with the FTC for that state that are for identity theft. A randomly selected complaint filed with the FTC for that state that is for identity theft 23% of all complaints filed with the FTC for that state are for identity theft. Whether or not a randomly selected complaint filed with the FTC for that state is for identity theft. b) The population parameter is: Select an answer The mean number of 1380 randomly selected complaints filed with the FTC for that state that are for identity theft. The percentage of all complaints filed with the FTC for that state that are for identity theft. The mean number of all complaints filed with the FTC for that state that are for identity theft. Whether or not a randomly selected complaint filed with the FTC for that state is for identity theft. A randomly selected complaint filed with the FTC for that state that is for identity theft 23% of all complaints filed with the FTC for that state are for identity theft. The percentage of 1380 randomly selected complaints filed with the FTC for that state that are for identity theft. A randomly selected complaint filed with the FTC for that state. c) Fill in the correct null and alternative hypotheses: H0:H0: pp ? ≠ = < ≥ ≤ > HA:HA: pp ? ≠ < > ≥ ≤ =
According to the Federal Trade Commission report on consumer fraud and identity theft, 23% of all complaints in 2007 were for identity theft. This year, a certain state kept track of how many of its 1380 complaints were for identity theft. They want to know if the data provide enough evidence to show that this state had a different proportion of identity theft than 23%. State the sample statistic, population parameter, and hypotheses.
a) The sample statistic in context is: Select an answer A randomly selected complaint filed with the FTC for that state. The percentage of 1380 randomly selected complaints filed with the FTC for that state that are for identity theft. The percentage of all complaints filed with the FTC for that state that are for identity theft. The mean number of all complaints filed with the FTC for that state that are for identity theft. The mean number of 1380 randomly selected complaints filed with the FTC for that state that are for identity theft. A randomly selected complaint filed with the FTC for that state that is for identity theft 23% of all complaints filed with the FTC for that state are for identity theft. Whether or not a randomly selected complaint filed with the FTC for that state is for identity theft.
b) The population parameter is: Select an answer The mean number of 1380 randomly selected complaints filed with the FTC for that state that are for identity theft. The percentage of all complaints filed with the FTC for that state that are for identity theft. The mean number of all complaints filed with the FTC for that state that are for identity theft. Whether or not a randomly selected complaint filed with the FTC for that state is for identity theft. A randomly selected complaint filed with the FTC for that state that is for identity theft 23% of all complaints filed with the FTC for that state are for identity theft. The percentage of 1380 randomly selected complaints filed with the FTC for that state that are for identity theft. A randomly selected complaint filed with the FTC for that state.
c) Fill in the correct null and alternative hypotheses:
H0:H0: pp ? ≠ = < ≥ ≤ >
HA:HA: pp ? ≠ < > ≥ ≤ =
d) A Type I error in the context of this problem would be:
e) A Type II error in the context of this problem would be:
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