A company's records indicate that on any given day about 1% of their day shift employees and 3% of the night shift employees wil
l miss work. Sixty percent of the employees work the day shift.
a) Is absenteeism independent of shift worked? Explain.
b) What percent of employees are absent on any given day?
c.) On any given day at some company, about 1% of the day-shift employees and 3 % of the night-shift employees are overtired. Seventy percent of the employees work the day shift. What percent of overtired employees are on the night shift?
a) Is absenteeism independent of shift worked? Explain.
b) What percent of employees are absent on any given day?
c.) On any given day at some company, about 1% of the day-shift employees and 3 % of the night-shift employees are overtired. Seventy percent of the employees work the day shift. What percent of overtired employees are on the night shift?
1 answer:
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You should know that cos2x =1-2sin^2x, so you substitute and take everything to one side. After that I took out a common factor of sinx which simplified my equation and gave me my first solution x=0. I go and find the relative acute angle in my second solution 2sinx+1=0, and as the value of raw is negative you have to obtain two solutions from where sin is negative. And you are given all you solutions. Hopefully this helps, if you don’t understand what I am saying just ask me anything. :)
