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 personal weapon.
b. Find the probability that a weapon randomly selected from those used in murders in 2010 was NOT a personal weapon.
c. Find the probability that a weapon randomly selected from those used in murders in 2010 was a personal weapon OR a knife or other cutting instrument. d. Explain why the following statements do not have the same meaning. Which one is correct?
€¢ In 2010, 13.1% of murders involved knives or other cut- ting instruments.
€¢ In 2010, 13.1% of weapons used in murders were knives or other cutting instruments.

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%