Answer:
Step-by-step explanation:
Hello!
The population mean (μ) is a measure of central tendency, this means, it shows you the position of the distribution. Changing the value of the mean changes the position of the bell over the axis but there is no change in its shape. The three normal distribution have the same standard deviation (δ), so they will have the same shape and only their positions vary.
Graph attached.
I hope it helps!
Answer:
12% decrease
Step-by-step explanation:
I'm srry if I'm wrong but I'm 90-ish% its correct
I got D for this one because 25 is the common denominator
C. 2-2-2-3-3 because they are all prime numbers. If you have another problem like this just use the prime number tree. Hope this helps