# Question: Some sources report that the weights of full term newborn babies

Some sources report that the weights of full-term newborn babies have a mean of 7 pounds and a standard deviation of 0.6 pound and are Normally distributed.

a. What is the probability that one newborn baby will have a weight within 0.6 pound of the mean-that is, between 6.4 and 7.6 pounds, or within one standard deviation of the mean?

b. What is the probability the average of four babies' weights will be within 0.6 pound of the mean; will be between 6.4 and 7.6 pounds?

c. Explain the difference between a and b.

a. What is the probability that one newborn baby will have a weight within 0.6 pound of the mean-that is, between 6.4 and 7.6 pounds, or within one standard deviation of the mean?

b. What is the probability the average of four babies' weights will be within 0.6 pound of the mean; will be between 6.4 and 7.6 pounds?

c. Explain the difference between a and b.

## Answer to relevant Questions

Some sources report that the weights of full-term newborn babies have a mean of 7 pounds and a standard deviation of 0.6 pound and are normally distributed. In the given outputs, the shaded areas (reported as p =) represent ...The mean age of all 2550 students at a small college is 22.8 years with a standard deviation is 3.2 years, and the distribution is right-skewed. A random sample of 4 students' ages is obtained, and the mean is 23.2 with a ...A hamburger chain sells large hamburgers. When we take a sample of 30 hamburgers and weigh them, we find that the mean is 0.51 pounds and the standard deviation is 0.2 pound. a. State how you would fill in the numbers below ...State whether each of the following changes would make a confidence interval wider or narrower. (Assume that nothing else changes.) a. Changing from a 95% level of confidence to a 90% level of confidence. b. Changing from a ...A body mass index of more than 25 is considered unhealthful. The Minitab output given is from 50 randomly and independently selected people from the NHANES study.Post your question