Is the nal cri rate really going dow sociologists say yes They say that the reason for the rates the 1980s and 1990s is

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Is the nal cri rate really going dow sociologists say yes They say that the reason for the rates the 1980s and 1990s is demographics It seems that the population is aging and older people commit fewer crimes According t the FBI and the Justice Department 70 of all arrests are of males aged 15 to 34 years Suppose you are a sociologist in Rock Springs Wyoming and a random sample of police files showed that of 36 arrests last month 22 were of males aged 15 to 34 ye Use a 1 level of significance to test the claim that the population proportion of such arrests is the city different from 70 Solv the problem using the critical region method of testing Since the sampling distribution of p is the normal distribution you can u critical values from the table below Hypothesis Testing Critical Values z Level of Significance Critical value z for a left tailed test Critical value z for a right tailed test Critical value z for a two tailed test H USE SALT a 0 05 a 0 01 1 645 1 645 1 96 2 33 State the null and alternative hypotheses Enter for as needed Ho p 0 70 2 33 2 58

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