Answer:
the total number of shares in the shelf is 11 and their two white shirts in the shelf so the probability of not choosing a white shirt is the total which is 11 minus the two white shirts which will give you nine
the probability of a particular site is given by the formula
required outcome / sample space and the sample space here is 11.
Therefore, it is 9/11 that is the probability of not choosing a white shirt.
