Phone bills from the residents of the city have a mean of $64 and a standard deviation of $9. Random samples of 100 phone bills are drawn from this population. Find the mean and standard error of the sampling distribution.
O mean is 6.4: standard error is 9
O mean is 64; standard error is 9
O mean is 6.4: standard error is.9
O mean is 64: standard error is.9

Mean of 64 and standard error of 0.9.

Step-by-step explanation:

Central Limit Theorem

The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean and standard deviation , the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean and standard deviation .

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

Phone bills from the residents of the city have a mean of $64 and a standard deviation of $9. Sample of 10.

By the Central Limit Theorem, the mean is 64 and the standard error is

So mean of 64 and standard error of 0.9.

46 dollars is the answer.

step-by-step explanation:

6*6 = 36,         36+10=46

bn,mn,n.vn.

step-by-step explanation: