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b) What's the probability of randomly selecting a​ third-class passenger who​ survived? Round to one decimal place ​c) What's the probability of a randomly selected passenger​ surviving, given that the passenger was a​ first-class passenger? Round to one decimal place   ​d) If​ someone's chances of surviving were the same regardless of their status on the​ ship, how many members of the crew could have been expected to​ live? Round to two decimal places    ​f) Give the degrees of freedom for the test. Type a whole​ number.

b) What's the probability of randomly selecting a​ third-class passenger who​ survived? Round to one decimal place ​c) What's the probability of a randomly selected passenger​ surviving, given that the passenger was a​ first-class passenger? Round to one decimal place   ​d) If​ someone's chances of surviving were the same regardless of their status on the​ ship, how many members of the crew could have been expected to​ live? Round to two decimal places    ​f) Give the degrees of freedom for the test. Type a whole​ number.

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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​b) What's the probability of randomly selecting a​ third-class passenger who​ survived? Round to one decimal place

​c) What's the probability of a randomly selected passenger​ surviving, given that the passenger was a​ first-class passenger? Round to one decimal place
 
​d) If​ someone's chances of surviving were the same regardless of their status on the​ ship, how many members of the crew could have been expected to​ live? Round to two decimal places 
 
​f) Give the degrees of freedom for the test. Type a whole​ number.
 
 
 
 
e) State the null and alternative hypotheses for testing whether Survival and Ticket Class are related. Choose the correct answer below. O A. Ho: Survival was independent of status on the ship. HA: Survival was not independent of status on the ship. O B. Ho: Survival was independent of status on the ship. HA: Passengers were more likely to die. O C. Ho: Survival was not independent of status on the ship. HA: Survival was independent of status on the ship. O D. Ho: Survival was independent of status on the ship. HA: Passengers were more likely to live.
Transcribed Image Text:e) State the null and alternative hypotheses for testing whether Survival and Ticket Class are related. Choose the correct answer below. O A. Ho: Survival was independent of status on the ship. HA: Survival was not independent of status on the ship. O B. Ho: Survival was independent of status on the ship. HA: Passengers were more likely to die. O C. Ho: Survival was not independent of status on the ship. HA: Survival was independent of status on the ship. O D. Ho: Survival was independent of status on the ship. HA: Passengers were more likely to live.
Here is a table showing who survived the sinking of a ship based on whether they were crew members, or passengers booked in first-, second-, or third-class staterooms. Complete parts a) through g) below. a) If an individual is drawn at random, what's the probability that the individual is a member of the crew? (Round to one decimal place as needed.) Crew 1st 2nd 3rd Total 185 120 211 672 Alive 156 Dead 706 105 178 412 1401 Total 862 290 298 623 2073
Transcribed Image Text:Here is a table showing who survived the sinking of a ship based on whether they were crew members, or passengers booked in first-, second-, or third-class staterooms. Complete parts a) through g) below. a) If an individual is drawn at random, what's the probability that the individual is a member of the crew? (Round to one decimal place as needed.) Crew 1st 2nd 3rd Total 185 120 211 672 Alive 156 Dead 706 105 178 412 1401 Total 862 290 298 623 2073
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