n the article "ACL reconstruction using bone-patellar tendon-bone press-fit fixation: 10-year clinical results" in Knee Surgery, Sports Traumatology, Arthroscopy (2005, Vol. 13, pp. 248–255) considered the following causes for knee injuries: Activity Percentage of Knee Injuries Contact sport 45% Noncontact sport 40% Activity of daily living 14% Riding motorcycle 1% Round your answers to two decimal places (e. g. 98.76). a) What is the probability a knee injury resulted from a sport (contact or noncontact)? b) What is the probability a knee injury results from an activity other than a sport?