In a city hospital, a random sample of 50 lunch trays chosen on a daily basis for 24 days, and the number of dietary err

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In a city hospital, a random sample of 50 lunch trays chosen on
a daily basis for 24 days, and the number of dietary errors in
those trays are recorded in the table below: Sample No. Number of
Dietary Errors Sample No. Number of Dietary Errors Sample No.
Number of Dietary Errors 1 4 9 2 17 4 2 3 10 4 18 3 3 2 11 4 19 4 4
4 12 3 20 3 5 3 13 5 21 4 6 3 14 4 22 6 7 8 15 4 23 2 8 4 16 3 24 3
(a) Construct an appropriate attribute control chart and comment on
the process. (b) If no improvements are made in the existing
process, how many dietary errors do you predict? (c) If no
improvements are made in the existing process, is the system is
capable of reducing the dietary errors to 1 per 50 trays, on
average?