Answer:
11/30 or 0.36
Step-by-step explanation:
Answer:

Step-by-step explanation:
The Central Limit Theorem estabilishes that, for a random variable X, with mean
and standard deviation
, the sample means with size n of at least 30 can be approximated to a normal distribution with mean
and standard deviation 
In this problem, we have that:

So

Answer:
10 so A
Step-by-step explanation:
Answer:
-18 is the ans you can calculate it