Six microprocessors are randomly selected from a lot of 100 microprocessors among which 10 are defective. Find the probability of obtaining at least three defective microprocessors.

((90,6)*(10,3))/(100,6)

Is(Nerd) this correct? Thank you.

- Nov 10th 2011, 07:45 AMmathproblemsSampling without replacement - Probability of obtaining 3 defectives.
Six microprocessors are randomly selected from a lot of 100 microprocessors among which 10 are defective. Find the probability of obtaining at least three defective microprocessors.

((90,6)*(10,3))/(100,6)

Is(Nerd) this correct? Thank you. - Nov 10th 2011, 08:07 AMPlatoRe: Probability