For the first weekend in March (March 2-3, 2024), the chances of Mark's going hiking were 40 % and the chances of going biking were 50 %. On March 1, 2024, what was Mark's state for the first two weekends in March?If Mark ended going up going biking on that first weekend of March, what are the chances of his going biking on the first weekend of April (April 6-7, 2024)