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Male Female Child Survived 337 416 1,482 118 1,819 534 Died Total 80 68 148 Total 833 1,668 2,501

Male Female Child Survived 337 416 1,482 118 1,819 534 Died Total 80 68 148 Total 833 1,668 2,501

MATLAB: An Introduction with Applications
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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Male Female 416 118 534 Survived 337 Died 1,482 Total 1,819 Child 80 68 Total 833 1,668 148 2,501
Transcribed Image Text:Male Female 416 118 534 Survived 337 Died 1,482 Total 1,819 Child 80 68 Total 833 1,668 148 2,501
(b) If a passenger is selected at random, what is the probability that the passenger was female? 0.274 (Round to three decimal places as needed.) (c) If a passenger is selected at random, what is the probability that the passenger was female or a child? 0.337 (Round to three decimal places as needed.) (d) If a passenger is selected at random, what is the probability that the passenger was female and survived? 0.217 (Round to three decimal places as needed.) (e) If a passenger is selected at random, what is the probability that the passenger was female or survived? 0.427 (Round to three decimal places as needed.) (f) If a female passenger is selected at random, what is the probability that she survived? 0.790 (Round to three decimal places as needed.) (g) If a child passenger is selected at random, what is the probability that the child survived? 0.595 (Round to three decimal places as needed.) (h) If a male passenger is selected at random, what is the probability that he survived? 0.173 (Round to three decimal places as needed.) (i) Do you think the adage "women and children first" was adhered to on this ship? A. Yes, because the survival rate for men was much lower than the survival rates for women and children. B. No, because the survival rate for men was about the same as the survival rates for women and children. C. No, because the survival rate for men was higher than the survival rates for women and children. (j) Suppose two females are randomly selected. What is the probability both survived? 0.6236 (Round to four decimal places as needed.)
Transcribed Image Text:(b) If a passenger is selected at random, what is the probability that the passenger was female? 0.274 (Round to three decimal places as needed.) (c) If a passenger is selected at random, what is the probability that the passenger was female or a child? 0.337 (Round to three decimal places as needed.) (d) If a passenger is selected at random, what is the probability that the passenger was female and survived? 0.217 (Round to three decimal places as needed.) (e) If a passenger is selected at random, what is the probability that the passenger was female or survived? 0.427 (Round to three decimal places as needed.) (f) If a female passenger is selected at random, what is the probability that she survived? 0.790 (Round to three decimal places as needed.) (g) If a child passenger is selected at random, what is the probability that the child survived? 0.595 (Round to three decimal places as needed.) (h) If a male passenger is selected at random, what is the probability that he survived? 0.173 (Round to three decimal places as needed.) (i) Do you think the adage "women and children first" was adhered to on this ship? A. Yes, because the survival rate for men was much lower than the survival rates for women and children. B. No, because the survival rate for men was about the same as the survival rates for women and children. C. No, because the survival rate for men was higher than the survival rates for women and children. (j) Suppose two females are randomly selected. What is the probability both survived? 0.6236 (Round to four decimal places as needed.)
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