How much should an athletic 10 year old girl weigh?

Weight: Anywhere from 75lbs.-95lbs. Height: 4'9"-5'1" Waist: 23"-26" Chest: 27"-30" Athletic Activity: Should have an average workout of at least 1 hour and 20 minutes each day doing things such as: Soccer, Martial Arts, Ice Skating, Gymnastics, Softball/Baseball, possibly Football and things of that nature. Athletic Diet: Naturally follow the food pyramid each and every day with minimal "slip-ups".