A manager is asked to estimate the most likely level of next month$$s sales. She is then asked to make $(1)$ a pessimistic estimate, and $(2)$ an optimistic estimate such that there is a $99\%$ probability that the actual sales will fall in the interval between the pessimistic and the optimistic estimates. According to research this interval is most likely to be:

Question $9$Select one:

a$.$

about the right width

b$.$

too wide

c$.$

too narrow

d$.$

too narrow to include the most likely estimate