(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
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Author:Amos Gilat
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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
Transcribed Image Text: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 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
Transcribed Image Text:(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
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