Answer:
Step-by-step explanation:
A
Answer:
600 units of for snack-size, 1800 units for family-size
Step-by-step explanation:
Answer:
B) .35
Step-by-step explanation:
The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean
and standard deviation
, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean
and standard deviation
.
For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.
In this problem:

Then



So the correct answer is:
B) .35