Regina is worried that the color of her new cardigan will attract the attention of killer bees in southern California where she is going to hike. To settle her nerves she looks at the American Killer Bee Association website. It shows that these bees are highly agitated by various colors. They have found that 55% of bees are agitated by yellow, 30% by blue, and the remaining 15% by other colors. A recent study of 120 randomly selected people stung by killer bees last year found the individuals were wearing the colors shown in the table below. Yellow Blue Other 65 30 25 To evaluate if these data provide convincing evidence that the distribution of colors worn by people stung by killer bees is different from the percentages given on the website, the number of degrees of freedom to consider in the p-value computation in this scenario is:



Answer :