One of the guest lecture program activities held together with the UNJ Statistics study program was carried out in the Opportunity Theory courses at UNY and Mathematical Statistics at UNJ. In the Opportunity Theory lecture taught by Mrs. Dr. Retno Subekti, M.Sc and Mrs. Lusi Harini, M.Sc., the guest lecture program was held on November 6 2023 by Mrs. Vera Maya Santi, S.Si, M.Sc with the topic of mutually independent random variables and conditional distribution. Meanwhile, the guest lecture visit at UNJ was held on November 22 2023 for the Mathematical Statistics I course by Mrs. Dr. Retno Subekti, S.Si, M.Sc for the topic Functions of random variables using the Transformation method.