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The state and local police departments are trying to analyze crime rates so they can shift their patrols from decreasing-rate areas to areas where
The state and local police departments are trying to analyze crime rates so they can shift their patrols from decreasing-rate areas to areas where rates are increasing. The city and county have been geographically segmented into areas containing 5,000 residences. The police recognize that not all crimes and offenses are reported: people do not want to become involved, consider the offenses too small to report, are too embarrassed to make a police report, or do not take the time, among other reasons. Every month, because of this, the police are contacting by phone a random sample of 1,060 of the 5,000 residences for data on crime. (Respondents are guaranteed anonymity.) Here are the data collected for the past 12 months for one area: MONTH January CRIME INCIDENCE SAMPLE SIZE CRIME RATE 8 1,060 0 February 10 1,060 0 March 8 1,060 0 April 8 1,060 0 May 8 1,060 0 June 9 1,060 0 July 7 1,060 0 August 11 1,060 0 September 9 1,060 0 October 12 1,060 0 November 12 1,060 0 December 9 1,060 0 a. Determine the P, Sp, UCL and LCL for a p-chart of 95 percent confidence (at Z= 1.96). (Round your answers to 5 decimal places.) P Sp UCL LCL
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