(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.) The following table shows the distribution of murders by type of weapon formurder cases in a particular country over the past 12 years. Complete parts (a) Handgunthrough (e).WeaponProbability0.478Rifle0.023ShotgunUnknown firearmKnivesHands, fists, etc.Other0.0340.1450.1350.0560.129

Answered: The following table shows the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A municipal bus company has started operations in a new subdivision. Records were kept on the numbers of riders on one bus route during the early-morning weekday service. The accompanying table shows proportions over all weekdays.Number of riders 20 21 22 23 24 25 26 27Proportion 0.02 0.12 0.23 0.31 0.19 0.08 0.03 0.02a. Graph the probability distribution.b. Calculate and graph the cumulative probability distribution.c. What is the probability that on a randomly chosen weekday there will be at least 24 riders from the subdivision on this service?d. Two weekdays are chosen at random. What is the probability that on both of these days there will be fewer than 23 riders from the subdivision on this service?e. Find the mean and standard deviation of the number of riders from this subdivision on this service on a weekday.f. If the cost of a ride is $1.50, find the mean and standard deviation of the total payments of riders from this…
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The following table shows the distribution of murders by type of weapon for murder cases in a particular country over the past 12 years. Complete parts (a)Handgun through (e). Weapon Probability 0.478 Rifle Shotgun Unknown firearm Knives Hands, fists, etc. Other 0.023 0.034 0.145 0.135 0.056 0.129