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 5,150 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 1,030 of the 5,150 residences for data on crime. (Respondents are guaranteed anonymity.) Here are the data collected for the past 12 months for one area:
MONTH | CRIME INCIDENCE | SAMPLE SIZE | CRIME RATE |
January | 10 | 1,030 | 0 |
February | 12 | 1,030 | 0 |
March | 10 | 1,030 | 0 |
April | 10 | 1,030 | 0 |
May | 10 | 1,030 | 0 |
June | 12 | 1,030 | 0 |
July | 10 | 1,030 | 0 |
August | 13 | 1,030 | 0 |
September | 12 | 1,030 | 0 |
October | 13 | 1,030 | 0 |
November | 11 | 1,030 | 0 |
December | 11 | 1,030 | 0 |
a. Determine the P−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−P− | |
Sp | |
UCL | |
LCL | |
b. If the next three months show crime incidences in this area as
January = 10 (out of 1,030 sampled)
February = 12 (out of 1,030 sampled)
March = 11 (out of 1,030 sampled)
What comments can you make regarding the crime rate?
The process is in control. | |
The process is out of control. |
The state and local police departments are trying to analyze crime rates so they can shift...
Question 13 (1.5 points) Area 51 The state and local police departments are trying to analyze crime rates so that they can shift their patrols from decreasing rate areas to areas where the rates are increasing. For the analysis, the city and county have been geographically segmented into areas containing 5,000 residents. The police recognize that not all crimes are reported: people do not want to get involved, consider the offenses too small to to report, are embarrassed to make...
Problem 10-28 Some citizens complained to city council members that there should be equal protection under the law against the occurrence of crimes. The citizens argued that this equal protection should be interpreted as indicating that high-crime areas should have more police protection than low-crime areas. Therefore, police patrols and other methods for preventing crime (such as street lighting or cleaning up abandoned areas and buildings) should be used proportionately to crime occurrence. The city has been broken down into...
please solve for part A in second picture Some citizens complained to city council members that there should be equal protection under the law against the occurrence of crimes. The lizens argued that this equal protection should be interpreted as indicating that high-crime areas should have more police protection than low-crime areas. Therefore, police patrols and other methods for preventing crime (such as street fighting or cleaning up abandoned areas and buildings) should be used proportionately to crime occurrence The...
Problem 10-28 Some citizens complained to city council members that there should be equal protection under the law against the occurrence of crimes. The citizens argued that this equal protection should be interpreted as indicating that high-crime areas should have more police protection than low-crime areas. Therefore, police patrols and other methods for preventing crime (such as street lighting or cleaning up abandoned areas and buildings) should be used proportionately to crime occurrence. The city has been broken down into...
Problem 10-28 Some citizens complained to city council members that there should be equal protection under the law against the occurrence of crimes. The citizens argued that this equal protection should be interpreted as indicating that high-crime areas should have more police protection than low-crime areas. Therefore, police patrols and other methods for preventing crime (such as street lighting or cleaning up abandoned areas and buildings) should be used proportionately to crime occurrence. The city has been broken down into...
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