MATLAB: An Introduction with Applications
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Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Transcribed Image Text:er Weapon
Handgun
Rifle
Shotgun
Unknown firearm
Knives
Hands, fists, etc.
Other
Probability
0.478
0.027
0.035
0.148
0.135
0.059
0.118
to 0 and less than or equal to 1, and the sum of the probabilities of all outcomes
E
14
quiz
Transcribed Image Text:The following table shows the distribution of murders by type of weapon for murder
F2
OB. No; the sum of the probabilities of all outcomes does not equal 1.
OC. No; the probability of all events in the table is not greater than or equal to 0 and less than or equal to 1.
O D. Yes; the rules required for a probability model are both met.
X
(a) Is the given table a probability model? Why or why not?
OA. No; the probability of all events in the table is not greater than or equal to 0 and less than or equal to 1, and the sum of the probabilities of all outcomes
does not equal 1.
(b) What is the probability that a randomly selected murder resulted from a rifle or shotgun?
P(rifle or shotgun) =
(Type a decimal rounded to three decimal places as needed.)
Interpret this probability. Select the correct choice below and fill in the answer box to complete your choice.
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Weapon
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9
16.
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