2. A railway conductor discovers that of the 18 passengers in a train coach, 5 refused to sit facing forward and 4 refused to sit facing backwards. There are 10 seats in the coach facing forward and 8 seats facing backward. How many ways can the conductor

Name: 2. A railway conductor discovers that of the 18 passengers in a train coach, 5 refused to sit facing forward and 4 refused to sit facing backwards. There are 10 seats in the coach facing forward and 8 seats facing backward. How many ways can the conductor
Uploaded: 2022-03-19
Duration: 47 s
Description: 2. A railway conductor discovers that of the 18 passengers in a train coach, 5 refused to sit facing forward and 4 refused to sit facing backwards. There are 10 seats in the coach facing forward and 8 seats facing backward. How many ways can the conductor arrange the passengers?.

Published on Mar 19, 2022

Scene 1 (0s)

2. A railway conductor discovers that of the 18 passengers in a train coach, 5 refused to sit facing forward and 4 refused to sit facing backwards. There are 10 seats in the coach facing forward and 8 seats facing backward. How many ways can the conductor arrange the passengers?.

Scene 2 (22s)

SOLUTIONS. N1= 10C5 = 252 N2= 8C4 = 70 N = N1 X N2 = (252)(70) = 17,640 ways.