What is the probability that the shipment is rejected?
if a shipment of 120 electronic components contain 4 defective components.
a quality control engineer randomly selects 4 components to test. if 1 or more are defected the shipment is rejected.

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

What percent of the circle below is shaded?

Ill mark the brainliest if you me with the these three questions 7,8,9