February 24, 2017

Homework Help: probability

Posted by lisa on Saturday, October 16, 2010 at 8:49pm.

A company's records indicate that on any given day, 1% of their day shift
employees and 2% of the night shift employees will miss work. Sixty percent of the employees
work the day shift.

a. What percent of employees are absent on any given day?

b. A randomly selected employee missed work today, what is the probability that he/she
is a night shift employee?

i don't even know where to start

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