QUESTION 4 Frank is inviting six friends to dinner. He has 30 close friends, 20 are woman and 10 are men. How many ways can he invite at least four men? O P(10,4) + P(10,5) + P(10,6) O C(10,4)*C(20,2) + C(10,5)*C(20,1) + C(10,6)*C(20,0) O C(10,4) + C(10,5) + C(10,6) O (10,4)*C(10,5)*C(10,6) QUESTION 5 Frank is inviting 6 friends to dinner. He has 10 close male friends and 20 female friends. How many ways can he make these invitations if he invites at most 2 women? O P(20,0)*+P(20,1)+P(20,2) O C(20,0)+C(20,1)+C(10,4) O C(20,0)*C(20,1)*C(20,2) O C(20,0)*C(10,6)+C(20,1)*C(10,5)+C(20,2)*C(10,4)
QUESTION 4 Frank is inviting six friends to dinner. He has 30 close friends, 20 are woman and 10 are men. How many ways can he invite at least four men? O P(10,4) + P(10,5) + P(10,6) O C(10,4)*C(20,2) + C(10,5)*C(20,1) + C(10,6)*C(20,0) O C(10,4) + C(10,5) + C(10,6) O (10,4)*C(10,5)*C(10,6) QUESTION 5 Frank is inviting 6 friends to dinner. He has 10 close male friends and 20 female friends. How many ways can he make these invitations if he invites at most 2 women? O P(20,0)*+P(20,1)+P(20,2) O C(20,0)+C(20,1)+C(10,4) O C(20,0)*C(20,1)*C(20,2) O C(20,0)*C(10,6)+C(20,1)*C(10,5)+C(20,2)*C(10,4)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:QUESTION 4
Frank is inviting six friends to dinner. He has 30 close friends, 20 are woman and 10 are men. How many ways can he invite at least four men?
O P(10,4) + P(10,5) + P(10,6)
O C(10,4)*C(20,2) + C(10,5)*C(20,1) + C(10,6)*C(20,0)
O C(10,4) + C(10,5) + C(10,6)
O (10,4)*C(10,5)*C(10,6)
QUESTION 5
Frank is inviting 6 friends to dinner. He has 10 close male friends and 20 female friends. How many ways can he make these invitations if he invites at
most 2 women?
O P(20,0)*+P(20,1)+P(20,2)
O C(20,0)+C(20,1)+C(10,4)
O C(20,0)*C(20,1)*C(20,2)
O C(20,0)*C(10,6)+C(20,1)*C(10,5)+C(20,2)*C(10,4)
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