Answer:
a) 151lb.
b) 6.25 lb
Step-by-step explanation:
The Central Limit Theorem estabilishes that, for a random variable X, with mean and standard deviation , a large sample size can be approximated to a normal distribution with mean and standard deviation .
In this problem, we have that:
So
a) The expected value of the sample mean of the weights is 151 lb.
(b) What is the standard deviation of the sampling distribution of the sample mean weight?
This is
Answer:
The answer I would choose is c
Hope this helped :)
-45x+72
you multiply the 9 by everything in the parentheses
Answer:
it's 4(3y-4)
Step-by-step explanation:
shout out to jazzy6805 for correcting me
54÷x
Hope this helped................