Question

A school tracks the absences of pupils as part of a flu surveillance system. Regular reporting of absences among 23 studentsin grade 1 are taken, and based on these data, the long-run proportion of absences under normal conditions is estimated to be

p = 0.073.

What is the upper control limit for a p chart of future absences from this class of size 23?

0.242

0.236    

0.675

0.853

Answer 1