According to a hospital administrator, historical records over the past 10 years. have shown that 20% of the major surgery patients are dissatisfied with after- surgery care. A scientific poll based on 400 hospital patients has just been conducted. What is the probability that at least 70 patients will not be satisfied with the after-surgery care? After finding the appropriate probability, indicate the interval that includes this probability. .7001 to .8500 .000 to 3000 .3001 to .6000 .8501 to 1.000 .6001 to 7000