Amachine produces a total of 12,000 bolts a day, which are on the average 3% defective. find the probability that out of 600 bolts chosen at random, 12 will be defective.

The circumference of a circle is 5 pi cm. what is the area of the circle?

Which term best describes the association between variables a and b

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.