Answer:
26/15
Step-by-step explanation:
See attached image.
Answer:
Standard error
Step-by-step explanation:
The standard deviation of the distribution of sample means is called the standard error of the means.
It is denoted by: 
The standard error is calculated using the formula: 
where n is the sample size and
is the population standard deviation.
.0075 is the answer when u duvide
Answer:
simplify question is 3a^2 +6a+9ab
Step-by-step explanation:
Step-by-step explanation:
https://youtu.be/e7WGZHTZm0I