import ThreePoint from 'three-point';

const confidence = 0.90;

const items = [{
  optimistic: 4,
  pessimistic: 16,
  likely: 8,
}, {
  optimistic: 2,
  pessimistic: 3,
  likely: 2.5,
}];

const estimate = new ThreePoint(items, confidence);

console.log(estimate.expected); // 11
console.log(estimate.pessimistic); // 14
console.log(estimate.optimistic); // 7.9