The percentages of weapons used in murders in 2010 are described by the pie chart in Fig. 25

a. Find the probability that a weapon randomly selected from those used in murders in 2010 was a firearm.
b. Find the probability that a weapon randomly selected from those used in murders in 2010 was NOT a firearm.
c. Find the probability that a weapon randomly selected from those used in murders in 2010 was a firearm OR a personal weapon.
d. From inspecting the pie chart, a student concludes that in any year, 5.8% of weapons used in murders are personal weapons. What would you tell the student?

Transcribed Image Text:

Types of Weapons Used in Murders Weapon Firearms, 67.5% ■ Knives or other cutting instruments 13.1% ■ Unknown or other dangerous weapons 13.6 DPesional weapons Chands, fists, etc) 5.8%