Answer:
304
Step-by-step explanation:
I divided 38 by 1/8 and then checked if 304 times 1/8 equals 38
Answer:
6
Step-by-step explanation:
The small triangle has a height of h and a base of 4
The large triangle has a height of 3 and a base of (2+4) = 6
The ratios is
3 h
---- = -------
6 4
The question mark is 6
Answer:
The smallest sample size to satisfy the conditions is n=500.
Step-by-step explanation:
The condition for performing the inference related to the sample size is that, for all the categories, the expected success and failures in the sample are at least 10:

The largest sample size required will be for the minimum p or (1-p).
This happens to be the proportion that can play other instruments: 2%.
Then, we can calculate the minimum sample size as:
