It is known that the birth weight of newborn babies in the U.S. has a mean of 7 pounds with a standard deviation of 1.6 pounds. Suppose we randomly sample 64 birth certificates from the State Health Department, and record the birth weights of these babies.
Find the mean of the sampling distribution of .
______________
Find the standard deviation.
______________
What is the probability the sample mean birth weight as recorded on the birth certificates will be less than 6.85 pounds?
______________

Question

It is known that the birth weight of newborn babies in the U.S. has a mean of 7 pounds with a standard deviation of 1.6 pounds. Suppose we randomly sample 64 birth certificates from the State Health Department, and record the birth weights of these babies.
Find the mean of the sampling distribution of  .
______________
Find the standard deviation.
______________
What is the probability the sample mean birth weight as recorded on the birth certificates will be less than 6.85 pounds?
______________

Quizplus · Accepted Answer

The Answer of It is known that the birth weight of newborn babies in the U.S. has a mean of 7 pounds with a standard deviation of 1.6 pounds. Suppose we randomly sample 64 birth certificates from the State Health Department, and record the birth weights of these babies.
Find the mean of the sampling distribution of  .
______________
Find the standard deviation.
______________
What is the probability the sample mean birth weight as recorded on the birth certificates will be less than 6.85 pounds?
______________

It Is Known That the Birth Weight of Newborn Babies