The number of AIDS cases reported for Santa Clara County, California is broken down by race in the table below. Source: "HIV/AIDS Epidemiology Santa Clara County", Santa Clara County Public Health Department, May 2011. Race Cases White 2274 Hispanic 1122 Black 448 Asian/Pacific Islander 238 Total 4082

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The number of AIDS cases reported for Santa Clara County, California is broken down by race in the table below. Source: "HIV/AIDS Epidemiology Santa Clara County", Santa Clara County Public Health Department, May 2011.

Race Cases
White 2274
Hispanic 1122
Black 448
Asian/Pacific Islander 238
Total 4082

 

 

  1. The population distribution of Santa Clara County by race is provided in the table below. Use these percentages to compute the expected number of cases for each racial group. Round each of the expected counts to 2 decimal places.

    Race Proportion Expected cases
    White 0.457  
    Hispanic 0.247  
    Black 0.024  
    Asian/Pacific Islander 0.272  
    Total 1  

    Determine the value of the test statistic. Round your answer to 1 decimal place.

    χ2=

  2. Compute the p-value. Round your answer to 4 decimal places.

    p-value = 
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