Five hundred draws are made at random with replacement from a box with 10,000 tickets. the average of the box is unknown. however, the average of the draws was 71.3, and their sd was about 2.3.
true or false, and explain:
a) the 71.3 estimates the average of the box, but is likely to be off by 0.1 or so.
b) a 68%-confidence interval for the average of the box is
c) about 68% of the tickets in the box are in the range