Question

The average weight of 237 babies born at Swedish hospital last year was 7.04 pounds with...

The average weight of 237 babies born at Swedish hospital last year was 7.04 pounds with a standard deviation of .42 pounds. Generate the population and then take two samples. Compare their means and standard deviations.

random sample of 3 from the population of 237. Calculate the mean and standard deviations of your sample of 3

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Suppose babies born in a large hospital have a mean weight of 3200 grams, and a...
Suppose babies born in a large hospital have a mean weight of 3200 grams, and a standard deviation of 526 grams. If 100 babies are sampled at random from the hospital, what is the probability that the mean weight of the sample babies would differ from the population mean by less than 50 grams?
A random sample of n = 64 weights is taken from babies born at a hospital....
A random sample of n = 64 weights is taken from babies born at a hospital. A mean of ?̅ =7.5 lbs and a standard deviation of ? = 6.4 lbs were found for the sample. Calculate a 95% confidence interval for the mean weight of all babies born at this hospital assuming σ is unknown
Suppose babies born in a large hospital have a mean weight of 3685 grams, and a...
Suppose babies born in a large hospital have a mean weight of 3685 grams, and a variance of 3330,625. If 113 babies are sampled at random from the hospital, what is the probability that the mean weight of the sample babies would differ from the population mean by less than 50 grams? Round your answer to four decimal places.
Suppose babies born in a large hospital have a mean weight of 3831 grams, and a...
Suppose babies born in a large hospital have a mean weight of 3831 grams, and a variance of 108,900. If 65 babies are sampled at random from the hospital, what is the probability that the mean weight of the sample babies would be less than 3882 grams? Round your answer to four decimal places.
Suppose babies born in a large hospital have a mean weight of 4090 grams, and a...
Suppose babies born in a large hospital have a mean weight of 4090 grams, and a variance of 313,600. If 64 babies are sampled at random from the hospital, what is the probability that the mean weight of the sample babies would be greater than 4144 grams? Round your answer to four decimal places.
The mean weight of 10 randomly newborn babies at a local hospital is 7.14 lbs and...
The mean weight of 10 randomly newborn babies at a local hospital is 7.14 lbs and the standard deviation of 0.817 lbs. Assume the weight of newborn babies has approximately normal distribution. a. Find the margin of error for a confidence level of 90%. b. Fill in the blanks in the following sentence. % of all samples of size have sample means within of the population mean. c. Find the 90% confidence interval for the mean weight at this hospital.
It is known that the birth weight of newborn babies in the U.S. has a mean...
It is known that the birth weight of newborn babies in the U.S. has a mean of 7.1 pounds with a standard deviation of 1.5 pounds. Suppose we randomly sample 36 birth certificates from the State Health Department, and record the birth weights of these babies.    The sampling distribution of the average birth weights of random samples of 36 babies has a mean equal to ______ pounds and a standard deviation of ______ pounds. What is the probability the...
It is known that the birth weight of newborn babies in the U.S. has a mean...
It is known that the birth weight of newborn babies in the U.S. has a mean of 7.1 pounds with a standard deviation of 1.5 pounds. Suppose we randomly sample 36 birth certificates from the State Health Department, and record the birth weights of these babies. The sampling distribution of the average birth weights of random samples of 36   babies has a mean equal to ______ pounds and a standard deviation of ______ pounds. What is the probability the average...
Birth weights of babies born to full-term pregnancies follow roughly a Normal distribution. At Meadowbrook Hospital,...
Birth weights of babies born to full-term pregnancies follow roughly a Normal distribution. At Meadowbrook Hospital, the mean weight of babies born to full-term pregnancies is 7 pounds with a standard deviation of 14 ounces (1 pound = 16 ounces). Dr. Watts (who works at Meadowbrook Hospital) has four deliveries (all for full-term pregnancies) coming up during the night. Assume that the birth weights of these four babies can be viewed as a simple random sample. What is the probability...
How to solve the following with a TI-84: suppose babies born in a large hospital have...
How to solve the following with a TI-84: suppose babies born in a large hospital have a mean weight of 3758 grams, and a variance of 204,304. If 89 babies are sampled at random from the hospital, what is the probability that the mean weight of the sample babies would differ from the population mean by more than 48 grams ?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT