Normal distribution question involving conditional probability

[@luke_bowden31]

Cramming the night before my S1 exam, and you have just saved me a whole lot of stress. THANK YOU SOOO MUCH!!!

[@DeltamathsCoUk]

popeye24681 You're welcome.

[@rei_sen7646]

This video has been super helpful, thank you :D

[@DeltamathsCoUk]

RAY.S 3523 You're welcome.

[@isabelfaulkner8200]

thank you this was so helpful!!

[@DeltamathsCoUk]

You're welcome! Thank you for commenting :)