98% of dr. williams patients end up with 20-30 vision or better. find the probability that exactly 4 of her next 6 patients end up with 20-30 vision or better.

Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each model’s height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?