The following table shows the distribution of murders by type of weapon for murder cases in a particular country over the past 12Weapon years. Complete parts (a) through (e). Probability 0.472 Handgun Rifle 0.027 Shotgun Unknown firearm Knives Hands, fists, etc. Other 0.035 0.141 0.133 0.056 0.136 (a) Is the given table a probability model? Why or why not? O A. No; the sum of the probabilities of all outcomes does not equal 1. O B. No; the probability of all events in the table is not greater than or equal to 0 and less than equal to 1, and 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. (b) What is the probability that a randomly selected murder resulted from a rifle or shotgun? P(rifle or shotgun) =O(Type a decimal rounded 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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Interpret this probability. Select the correct choice below and fill in the answer box to complete your choice.
 
 
A. If 1000 murders were randomly​ selected, exactly nothing
of them would have resulted from a weapon other than a gun.
 
B. If 1000 murders were randomly​ selected, we would expect about nothing of them to be have resulted from a weapon other than a gun.
 
 
(e)  Are murders with a shotgun​ unusual?
 
No
Yes
The following table shows the distribution of murders by type of weapon for murder cases in a particular country over the past 12Weapon
Handgun
Rifle
Probability
years. Complete parts (a) through (e).
0.472
0.027
0.035
Shotgun
Unknown firearm
0.141
Knives
0.133
0.056
0.136
Hands, fists, etc.
Other
(a) Is the given table a probability model? Why or why not?
O A. No; the sum of the probabilities of all outcomes does not equal 1.
B. 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.
C. 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.
(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.
Transcribed Image Text:The following table shows the distribution of murders by type of weapon for murder cases in a particular country over the past 12Weapon Handgun Rifle Probability years. Complete parts (a) through (e). 0.472 0.027 0.035 Shotgun Unknown firearm 0.141 Knives 0.133 0.056 0.136 Hands, fists, etc. Other (a) Is the given table a probability model? Why or why not? O A. No; the sum of the probabilities of all outcomes does not equal 1. B. 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. C. 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. (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.
Interpret this probability. Select the correct choice below and fill in the answer box to complete your choice.
O A. If 1000 murders were randomly selected, exactly
of them would have resulted from a rifle or shotgun.
O B. If 1000 murders were randomly selected, we would expect about
of them to have resulted from a rifle or shotgun.
(c) What is the probability that a randomly selected murder resulted from a handgun, rifle, or shotgun?
P(handgun, 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.
O A. If 1000 murders were randomly selected, we would expect about
of them to have resulted from a handgun, rifle, or shotgun.
O B. If 1000 murders were randomly selected, exactly
of them would have resulted from a handgun, rifle, or shotgun.
(d) What is the probability that a randomly selected murder resulted from a weapon other than a gun?
P(weapon other than a gun) =
(Type a decimal rounded to three decimal places as needed.)
Transcribed Image Text:Interpret this probability. Select the correct choice below and fill in the answer box to complete your choice. O A. If 1000 murders were randomly selected, exactly of them would have resulted from a rifle or shotgun. O B. If 1000 murders were randomly selected, we would expect about of them to have resulted from a rifle or shotgun. (c) What is the probability that a randomly selected murder resulted from a handgun, rifle, or shotgun? P(handgun, 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. O A. If 1000 murders were randomly selected, we would expect about of them to have resulted from a handgun, rifle, or shotgun. O B. If 1000 murders were randomly selected, exactly of them would have resulted from a handgun, rifle, or shotgun. (d) What is the probability that a randomly selected murder resulted from a weapon other than a gun? P(weapon other than a gun) = (Type a decimal rounded to three decimal places as needed.)
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