Question on Range Estimates
Submitted by akkachotu@gmail.com on Sat, 01/21/2012 - 12:08
Forums:
Could you please answer the below question and justify your answer?
Assuming that the ends of a range estimates are +/-3 Sigma from the mean, which of the following range estimates involves the LEAST risk?
a. 30 days, plus or minus five days
b. 22 - 30 days
c. Optimistic = 26 days, most likey = 30 days, pessimistic = 33 days
d. Mean of 28 days
