According to a recent Gallup Poll 18 of Americans believe that healthcare is the most important problem in America Let be the proportion of people who believe that healthcare is the most important problem in America out of a random sample of 898 Americans Determine the following probabilities Round probability solutions to four decimal places and values to two decimal places if necessary Find the probability that in a random sample of 898 Americans at least 153 people believe that healthcare is the most important problem in America P p Find the probability that in a random sample of 898 Americans between 144 and 198 people believe that healthcare is the most important problem in America P p