Need help with probability question(C)?

(c)
P(studying a language besides English)
= 0.24 + 0.06 + 0.03 + 0.01
= 0.34

P(studying Spanish, French or the others but not German)
= 0.24 + 0.06 + 0.01
= 0.31

Required probability
= P(studying a language besides English but not German)
= P(studying Spanish, French or the others but not German)/P(studying a language besides English)
= 0.31/0.34
= 31/34
≈ 0.91