Computer Science Homework Help. University of the District of Columbia Data Sciences Exercise
Hi I need help to solve this answer please
Assume that the percentage of low level staffs who drinking coffee is 12% and the percentage of managers who drinking coffee is 26%. If two-fifth of the employees are managers, and the rest are low level staffs.
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a) Construct a contingency table to summarize the relationship between employee and drinking coffee.
b) What is the probability that an employee who drinks coffee is a manager
