Answer and Explanation
Your Answer is
Correct Answer is A
Explanation
There are 30 chips of the first type produced by company B, so 30 are randomly selected from 100, and the probability is 30/100.
19. A batch of 100 defective computer chips consisting of 2 types (I and II) and made by 2 companies (A and B) was selected, and it was determined how many of each type of chip was made by each company. The results are displayed in the table below.
What is the probability that a randomly selected chip from this batch of 100 is Type I and manufactured by Company B?