Three independent machines and in a factory produce a defective item on a particular…

MATHEMATICS · Multi-part · CBSE · Mathematics · Probability · Probability

Problem

Three independent machines M1,M2M_1, M_2 and M3M_3 in a factory produce a defective item on a particular day with probabilities 0.050.05, 0.040.04 and 0.060.06 respectively. (i) Find the probability that at least one of the machines produces a defective item on that day. (ii) Find the probability that at most one machine produces a defective item on that day. (iii) Find the probability that exactly two machines produce a defective item on that day.

Related theory

Browse the problem library