Part C

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Part C
The data represent the number of driving fatalities for a certain area by age for male and female drivers.
Male Female 9
under 16
276
126
16-20
4487
2315
21-34
13,118 4727
35-54
14,839 5474
55-69
5141
1540
70 and over 2972
1272
(a) What is the probability that a randomly selected driver fatality who was male was 55 to 69 years old?
The probability that a randomly selected driver fatality who was male was 55 to 69 years old is approximately 0.126 .
(Round to three decimal places as needed.)
(b) What is the probability that a randomly selected driver fatality who was 55 to 69 was male?
The probability that a randomly selected driver fatality who was 55 to 69 was male is approximately 0.769. (Round to three decimal places as needed.)
(c) Is a victim of a fatal accident aged 55 to 69 more likely to be male or female? Choose the correct statement below.
O A. The driver is more likely to be female because the probability is less than 0.5.
O B. The driver is more likely to be male because the probability is greater than 0.5.
OC. The driver is more likely to be female because the probability is greater than 0.5.
O D. The driver is more likely to be male because the probability is less than 0.5.
Transcribed Image Text:The data represent the number of driving fatalities for a certain area by age for male and female drivers. Male Female 9 under 16 276 126 16-20 4487 2315 21-34 13,118 4727 35-54 14,839 5474 55-69 5141 1540 70 and over 2972 1272 (a) What is the probability that a randomly selected driver fatality who was male was 55 to 69 years old? The probability that a randomly selected driver fatality who was male was 55 to 69 years old is approximately 0.126 . (Round to three decimal places as needed.) (b) What is the probability that a randomly selected driver fatality who was 55 to 69 was male? The probability that a randomly selected driver fatality who was 55 to 69 was male is approximately 0.769. (Round to three decimal places as needed.) (c) Is a victim of a fatal accident aged 55 to 69 more likely to be male or female? Choose the correct statement below. O A. The driver is more likely to be female because the probability is less than 0.5. O B. The driver is more likely to be male because the probability is greater than 0.5. OC. The driver is more likely to be female because the probability is greater than 0.5. O D. The driver is more likely to be male because the probability is less than 0.5.
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