Using the Central Limit Theorem, it is found that since the sample size is greater than 30, a normal approximation can be used, hence the test can be made.
<h3>Central Limit Theorem</h3>
The Central Limit Theorem establishes 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 sampling distribution is also approximately normal, as long as n is at least 30.
In this problem, the distribution of lengths is skewed, however, since the sample size is of 100 greater than 30, a normal approximation can be used, hence the test can be made.
To learn more about the Central Limit Theorem, you can check brainly.com/question/24663213
Answer: 
Step-by-step explanation:
divided by
is the same thing as multiplying
by
.
The equation we get is:

With this equation, we can factor each equation:

We can cancel out like terms since they would be dividing each other:

Answer:
F = 15
Good luck! Have a wonderful day!
Answer:
(3,-4)
Step-by-step explanation:
Hopefully the image can help which shows two different examples
Answer:
From the table we see that 48 of the 165 shirts are red mediums, so the probability is
48/165 = 29.1 %
idk if this helps or not sorry if ot dose not help
Step-by-step explanation: