C b eztomheducationcomhmtpx Connect OUSINESS STATISTIcs inst

C b ezto.mheducation.com/hm.tpx Connect OUSINESS STATISTIcs instructions Ihelp Question10(of201 Seve & Ext Soma A company s stad ng the number of monthly absences among es 2 le ees The fol eng pro abiny dist i e non shows the like hood mat people were absent o, t 2 0, 1 2.3.4, or 5 days last month 4, or 5 days last mont Number of days absent Probabii 0 60 0.20 0 04 004 What is the variance of the number of days absent? O 116 O 058 232

Solution

The variance of a sample is defined by slightly different formula:

N*P*(1-P) = 6*0.6*0.4= 1.16