The Purple Urn of Fate contains millions of marbles, of which 43% are purple. If a simple random sample of n = 50000 marbles is drawn from the urn, what is the probability that more than 21811 of them are purple? O 0.0475 O 0.1144 O 0.0025 O 0.0786 A simple random sample of 400 adult Whoville Whos is surveyed and it is found that 290 of them support a constitutional amendment banning statistics quizzes on Thursdays. A 95% confidence interval for the percentage of all adult Whoville Whos who support this amendment is... O... (68%, 77%) (69.5.5%, 75.5%) = (70.3%, 74.7%) O... (66.8%, 78.2%) O