Defective Items Narrative a Random Sample of 4 Units Is Taken from a Taken

Short Answer

Defective Items Narrative
A random sample of 4 units is taken from a group of 15 items in which 4 units are known to be defective. Assume that sampling occurs without replacement, and the random variable x represents the number of defective units found in the sample.
-Refer to Defective Items Narrative. Find P(x = 1).