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 20 geographic areas, each 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 1,000 of the 5,000 residences for data on crime. (Respondents are guaranteed anonymity.) The 1,000 sampled from each area showed the following incidence of crime during the past month: AREA NUMBER OF CRIMES SAMPLE SIZE CRIME RATE 1 14 1,000 0.014 2 3 1,000 0.003 3 19 1,000 0.019 4 18 1,000 0.018 5 14 1,000 0.014 6 28 1,000 0.028 7 10 1,000 0.010 8 18 1,000 0.018 9 12 1,000 0.012 10 3 1,000 0.003 11 20 1,000 0.020 12 15 1,000 0.015 13 12 1,000 0.012 14 14 1,000 0.014 15 10 1,000 0.010 16 30 1,000 0.030 17 4 1,000 0.004 18 20 1,000 0.020 19 6 1,000 0.006 20 30 1,000 0.030 300 Determine P¯¯¯�¯ , Sp�� , UCL and LCL for a p chart of 95 percent confidence (at Z = 1.96). Note: Round your answers to 4 decimal places. What can you say about the process? multiple choice Process is in statistical control Process is out of statistical control.

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

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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 20 geographic areas, each 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 1,000 of the 5,000 residences for data on crime. (Respondents are guaranteed anonymity.) The 1,000 sampled from each area showed the following incidence of crime during the past month:

AREA	NUMBER OF CRIMES	SAMPLE SIZE	CRIME RATE
1	14	1,000	0.014
2	3	1,000	0.003
3	19	1,000	0.019
4	18	1,000	0.018
5	14	1,000	0.014
6	28	1,000	0.028
7	10	1,000	0.010
8	18	1,000	0.018
9	12	1,000	0.012
10	3	1,000	0.003
11	20	1,000	0.020
12	15	1,000	0.015
13	12	1,000	0.012
14	14	1,000	0.014
15	10	1,000	0.010
16	30	1,000	0.030
17	4	1,000	0.004
18	20	1,000	0.020
19	6	1,000	0.006
20	30	1,000	0.030
	300

Determine P¯¯¯�¯ , Sp�� , UCL and LCL for a p chart of 95 percent confidence (at Z = 1.96).

Note: Round your answers to 4 decimal places.
What can you say about the process?

multiple choice
- Process is in statistical control
- Process is out of statistical control.

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