# Question: A shipment contains 500 circuit boards Suppose that 30 of

A shipment contains 500 circuit boards. Suppose that 30 of them are defective. What is the probability that if you randomly selected three circuit boards, all three of them would be defective? How does this compare to the probability you would obtain if you considered that the selection of each circuit board was independent of selection of the others, using the initial probability of selecting a defective circuit board?

## Answer to relevant Questions

Polls show that 25% of Canadians plan to make a contribution to their RRSPs over the next year. What is the probability that four randomly selected Canadians are all planning to make a contribution to their RRSPs over the ...Arestaurant chain regularly surveys its customers about the quality of the food and the quality of the service. The survey responses are summarized in the Exhibit 4.30 below. The relative frequencies are considered good ...Using the light bulb distribution in Exercise 11 above, calculate what length-of-life guarantee your company should issue so that no more than 2.5% of light bulbs will fail to meet the guarantee. A campus newspaper claims that 80% of students on campus support the newspaper's position on various issues affecting the college. A random sample of 10 students is taken, and in the sample, only four students say they ...The probability that a college student will cheat on his or her statistics assignment by copying the work of other students is 0.043. If a professor has 175 statistics students, what is the probability that at least one of ...Post your question