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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. In that year, assume some state had 420 complaints of identity theft out of 1600 consumer complaints. Do these data provide enough evidence to show that that state had a higher proportion of identity theft than 23%? Test at the 7% level. P: PARAMETER What is the correct parameter symbol for this problem? p V What is the wording of the parameter in the context of this problem? The percentage of all consumer complaints in that state that are for identity theft H: HYPOTHESES Fill in the correct null and alternative hypotheses: Hop V = V 0.23 HA: V > V 0.23 A: ASSUMPTIONS Since quantitative check? Check all that apply. information was collected from each object, what conditions do we need to o is known. In ≥ 30 or normal population. On(1-p) ≥ 10 ✔N> 20n ✔n(1-p) > 10 On(p) > 10 ✔np > 10

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. In that year, assume some state had 420 complaints of identity theft out of 1600 consumer complaints. Do these data provide enough evidence to show that that state had a higher proportion of identity theft than 23%? Test at the 7% level. P: PARAMETER What is the correct parameter symbol for this problem? p V What is the wording of the parameter in the context of this problem? The percentage of all consumer complaints in that state that are for identity theft H: HYPOTHESES Fill in the correct null and alternative hypotheses: Hop V = V 0.23 HA: V > V 0.23 A: ASSUMPTIONS Since quantitative check? Check all that apply. information was collected from each object, what conditions do we need to o is known. In ≥ 30 or normal population. On(1-p) ≥ 10 ✔N> 20n ✔n(1-p) > 10 On(p) > 10 ✔np > 10

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 4BGP
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Check those assumptions: z = p 1. np = 2. n(1-p) = 3. N= 1000000 Z= N: NAME THE PROCEDURE The conditions are met to use a [1-Proportion Z-Test V T: TEST STATISTIC The symbol and value of the random variable on this problem are as follows: Leave this answer as a fraction. p-p If no N is given in the problem, use 1000000 p(1-p) 72 The formula set up of the test statistic is as follows.: (Leave any values that were given as fractions as fractions) = which is 2 O: OBTAIN THE P-VALUE which is 2 P-value = which is 2 M: MAKE A DECISION Final answer for the test statistic from technology. Round to 2 decimal places: Since the p-value 10 ]√√C Report to 4 decimal places. It is possible when rounded that p-value is 0.0000 10 0.07 -I). we reject H S: STATE A CONCLUSION There is V significant evidence to conclude The percentage of all consumer complaints in that state that are for identity theft is more than
Transcribed Image Text:Check those assumptions: z = p 1. np = 2. n(1-p) = 3. N= 1000000 Z= N: NAME THE PROCEDURE The conditions are met to use a [1-Proportion Z-Test V T: TEST STATISTIC The symbol and value of the random variable on this problem are as follows: Leave this answer as a fraction. p-p If no N is given in the problem, use 1000000 p(1-p) 72 The formula set up of the test statistic is as follows.: (Leave any values that were given as fractions as fractions) = which is 2 O: OBTAIN THE P-VALUE which is 2 P-value = which is 2 M: MAKE A DECISION Final answer for the test statistic from technology. Round to 2 decimal places: Since the p-value 10 ]√√C Report to 4 decimal places. It is possible when rounded that p-value is 0.0000 10 0.07 -I). we reject H S: STATE A CONCLUSION There is V significant evidence to conclude The percentage of all consumer complaints in that state that are for identity theft is more than
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. In that year, assume some state had 420 complaints of identity theft out of 1600 consumer complaints. Do these data provide enough evidence to show that that state had a higher proportion of identity theft than 23%? Test at the 7% level. P: PARAMETER What is the correct parameter symbol for this problem? p V What is the wording of the parameter in the context of this problem? The percentage of all consumer complaints in that state that are for identity theft H: HYPOTHESES Fill in the correct null and alternative hypotheses: Hop V = V 0.23 HA: P A: ASSUMPTIONS Since quantitative check? Check all that apply. 0.23 ✓np > 10 □o is unknown. Vinformation was collected from each object, what conditions do we need to o is known. On > 30 or normal population. In(1 − p) ≥ 10 ✔N> 20n ✔n(1-p) ≥ 10 In(p) ≥ 10
Transcribed Image Text: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. In that year, assume some state had 420 complaints of identity theft out of 1600 consumer complaints. Do these data provide enough evidence to show that that state had a higher proportion of identity theft than 23%? Test at the 7% level. P: PARAMETER What is the correct parameter symbol for this problem? p V What is the wording of the parameter in the context of this problem? The percentage of all consumer complaints in that state that are for identity theft H: HYPOTHESES Fill in the correct null and alternative hypotheses: Hop V = V 0.23 HA: P A: ASSUMPTIONS Since quantitative check? Check all that apply. 0.23 ✓np > 10 □o is unknown. Vinformation was collected from each object, what conditions do we need to o is known. On > 30 or normal population. In(1 − p) ≥ 10 ✔N> 20n ✔n(1-p) ≥ 10 In(p) ≥ 10
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