Question: A random variable is normally distributed.It has a mean of 245 and a standard deviation of 21. a.)If you take a sample of size 35,
A random variable is normally distributed.It has a mean of 245 and a standard deviation of 21.
a.)If you take a sample of size 35, can you say what the shape of the distribution of the sample mean is?Why?
b.)For a sample of size 35, state the mean of the sample mean and the standard deviation of the sample mean.
c.)For a sample of size 35, find the probability that the sample mean is more than 241.
Step by Step Solution
There are 3 Steps involved in it
Get step-by-step solutions from verified subject matter experts
