https://dcmathpathways.shinyapps.io/BinomialDist/

Approximately 71% of all flights arriving at London Heathrow Airport are on time. A sample of 20 flights are considered. Let X denote the number of flights that arrive on time. Use the Binomial Distribution tool at https://dcmathpathways.shinyapps.io/BinomialDist/ to calculate: P(X 2 15) 0.4553 0.7315 0.7100 O 20