If 12,000 72% C.I.'s were constructed, how many of those intervals would contain the true value of u? (thats supposed to be mu)

2. Find 72 percent of 12,000.

3. Originally Posted by pickslides
Find 72 percent of 12,000.
Except that would only be true with probability p=0.8%

Ya gotta lurve elementary stats question with misleading wording.

About 72% of 12000 would be acceptable, but a single number is not.

(The probability of observing exactly 72% of 12000 CI containing the mean is ~0.8%)

CB