Manchester Partners International claims that 60% of the banking executives who lose their job stay in banking,

Question:

Manchester Partners International claims that 60% of the banking executives who lose their job stay in banking, whereas 40% leave banking. Suppose 40 people who have lost their job as banking executive are contacted and are asked whether they are still in banking.
The results follow. Test to determine whether this sample appears to be random on the basis of the sequence of those who have left banking and those who have not. Let L denote left banking and S denote stayed in banking. Let Î± =.05.