(a) Among fatal crashes in unknown weather conditions, what is the probability that a randomly selected fatal crash occurs when it is dawn/dusk? The probability that a randomly selected fatal crash in unknown weather conditions occurs when it is dawn/dusk is approximately (Round to three decimal places as needed.)

(a) Among fatal crashes in unknown weather conditions, what is the probability that a randomly selected fatal crash occurs when it is dawn/dusk? The probability that a randomly selected fatal crash in unknown weather conditions occurs when it is dawn/dusk is approximately (Round to three decimal places as needed.)

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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Question

K
The following data represent the number of drivers involved in a fatal crash in 2016 in various light and
weather conditions. Complete parts (a) through (c) below.
Click the icon to view the data for fatal crashes in 2016.
(a) Among fatal crashes in unknown weather conditions, what is the probability that a randomly selected fatal
crash occurs when it is dawn/dusk?
The probability that a randomly selected fatal crash in unknown weather conditions occurs
when it is dawn/dusk is approximately.
(Round to three decimal places as needed.)
Data table
Weather Daylight Dark, but
Lighted
5875
497
51
54
255
Normal
Rain
Snow/Sleet
Other
Unknown
14,307
875
219
125
810
(...)
Dark
8151
681
156
220
548
Dawn/Dusk Other
1183
87
40
71
65
8
2
9
133
X

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Follow-up Questions

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Follow-up Question

(b) Among fatal crashes when it is dawn/dusk, what is the probability that a randomly selected fatal crash
occurs in unknown weather conditions?
The probability that a randomly selected fatal crash when it is dawn/dusk occurs in
unknown weather conditions is approximately. (Round to three decimal places as needed.)
Data table
Weather
Normal
Rain
Snow/Sleet
Other
Unknown
Daylight Dark, but
Lighted
5875
14,307
875
219
125
810
497
51
54
255
Light Conditions
Dark
Print
8151
681
156
220
548
Dawn/Dusk Other
Done
1183
87
17
40
71
65
8
2
9
133
0
-
X

Solution

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