GIVE TYPED WRITING SO I CAN UNDERSTAND CLEARLY.

Hi,kindly reply with whole answers correct,accurate answers and step by step working.Do not skip step.Be very clear and mention about the formula for each step.Make sure the answers are correct and accurate. Be very organised with the working and systematic.

Please explain to support and make it clear.

Part 1

SET THEORY The Addition Rule: Non-Mutually Exclusive Example: In a class of 100 students, 35 like science and 45 like math. 10 like both. How many like either of them and how many like neither?Given that P( X ) =. 7 P (Y ) = 20 and P(XUY ) =- 7 10 find a ) P (Xny ) b ) P (X1Y )