Într-un lot 800 de piese, 23%sunt defecte. Alegem la întâmplare, succesiv, fără repunere, trei piese din acest lot. Care este probabilitatea ca:a treia piesa din lot sa fie defecta?

Aquadratic equation in standard from is written ax^2= bx+c, where a, b and c are real numbers and a is not zero?

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is

Will mark brainlist what is the slope of the line passing through the points (-2, -8) and (-3,-9)? -7/5-5/71-1