Question

The U.S. Census Bureau computed the proportion of violent crimes in the United States in 2007 falling into each of four categories. A simple random sample of 500 violent crimes committed in California that same year were categorized in the same way. The following table shows the results. Can you conclude that the proportions of crimes in the various categories in CA differ from those in the US as a whole? Use .1α=. :

Us Proportion: 0.012 California frequency 6 :

Us Proportion 0.064 California frequency 21 :

US Proportion 0.317 California Frequency 177 :

US. Proportion 0.607 California frequency 296. -

I need this example figured out using a TI84.

Answer 1