A weather app independently predicts that there is a 40% probability (chance) of thunderstorms on Tuesday, and a 65% probability (chance) of thunderstorms on Wednesday. The probability (chance) of thunderstorms on both Tuesday and Wednesday is K%. Find the integer K.
P(thunderstorms on Tuesday and Wednesday)
= P(thunderstorms on Tuesday) * P(thunderstorms on Wednesday)
= 40% * 65%
= 26%