The following table shows the distribution of murders by type of weapon for murder cases in a Weapon Handgun Rifle Probability particular country over the past 12 years. Complete parts (a) through...


The following table shows the distribution of murders by type of weapon for murder cases in a<br>Weapon<br>Handgun<br>Rifle<br>Probability<br>particular country over the past 12 years. Complete parts (a) through (e).<br>0.472<br>0.024<br>Shotgun<br>Unknown firearm<br>Knives<br>Hands, fists, etc.<br>Other<br>0.034<br>0.144<br>0.133<br>0.055<br>0.138<br>(a) Is the given table a probability model? Why or why not?<br>O A. No; the probability of all events in the table is not greater than or equal to 0 and less than or equal to 1.<br>O B. No; the sum of the probabilities of all outcomes does not equal 1.<br>O 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, and the sum of the probabilities of all outcomes does not equal 1<br>D.<br>Yes; the rules required for a probability model are both met.<br>(b) What is the probability that a randomly selected murder resulted from a rifle or shotgun?<br>P(rifle or shotgun) = 0.058 (Type a decimal rounded to three decimal places as needed.)<br>Interpret this probability. Select the correct choice below and fill in the answer box to complete your choice.<br>O A. If 1000 murders were randomly selected, we would expect about<br>of them to have resulted from a rifle or shotgun.<br>O B. If 1000 murders were randomly selected, exactly<br>of them would have resulted from a rifle or shotgun.<br>

Extracted text: The following table shows the distribution of murders by type of weapon for murder cases in a Weapon Handgun Rifle Probability particular country over the past 12 years. Complete parts (a) through (e). 0.472 0.024 Shotgun Unknown firearm Knives Hands, fists, etc. Other 0.034 0.144 0.133 0.055 0.138 (a) Is the given table a probability model? Why or why not? O A. 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 B. No; the sum of the probabilities of all outcomes does not equal 1. O 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, and the sum of the probabilities of all outcomes does not equal 1 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) = 0.058 (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 rifle or shotgun. O B. If 1000 murders were randomly selected, exactly of them would have resulted from a rifle or shotgun.

Jun 11, 2022
SOLUTION.PDF

Get Answer To This Question

Related Questions & Answers

More Questions ยป

Submit New Assignment

Copy and Paste Your Assignment Here