Number 1 is B and number 2 I belive is C. I hope I'm rightt, and I hope this helps.
You have a higher chance of getting a red or blue marble
Answer:
The standard deviation of the sample mean is
Step-by-step explanation:
From the question we are told that
The mean is 
The standard deviation is 
The sample size is 
Generally the standard deviation of the sample mean is mathematically represented as

substituting values


2/35, just ask your calculator what is one seventh of two and one half.<span />
Answer:
There are 3 because 12 divided by 4 is 3.
Step-by-step explanation: