Question

Use the Empirical Rule to answer the questions below: The distribution of weights for newborn babies...

Use the Empirical Rule to answer the questions below:

The distribution of weights for newborn babies is approximately normally distributed with a mean of 7.6 pounds and a standard deviation of 0.7 pounds.

1. What percent of newborn babies weigh more than 8.3 pounds?  %

2. The middle 95% of newborn babies weigh between and  pounds.

3. What percent of newborn babies weigh less than 6.2 pounds? %

4. Approximately 50% of newborn babies weigh more than  pounds.

5. What percent of newborn babies weigh between 6.9 and 9.7 pounds?  %

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
The weights for newborn babies is approximately normally distributed with a mean of 6 pounds and...
The weights for newborn babies is approximately normally distributed with a mean of 6 pounds and a standard deviation of 1.7 pounds. Consider a group of 900 newborn babies: 1. How many would you expect to weigh between 5 and 9 pounds? 2. How many would you expect to weigh less than 8 pounds? 3. How many would you expect to weigh more than 7 pounds? 4. How many would you expect to weigh between 6 and 10 pounds?
The weights for newborn babies is approximately normally distributed with a mean of 5.4 pounds and...
The weights for newborn babies is approximately normally distributed with a mean of 5.4 pounds and a standard deviation of 1.6 pounds. Consider a group of 1100 newborn babies: 1. How many would you expect to weigh between 3 and 8 pounds? 2. How many would you expect to weigh less than 7 pounds? 3. How many would you expect to weigh more than 6 pounds? 4. How many would you expect to weigh between 5.4 and 9 pounds? HINT:...
Some sources report that the weights of full-term newborn babies in a certain town have a...
Some sources report that the weights of full-term newborn babies in a certain town have a mean of 7 pounds and a standard deviation of 0.6 pounds and are normally distributed. a. What is the probability that one newborn baby will have a weight within 0.6 pounds of the mean is, between 6.4 and 7.6 pounds, or within one standard deviation of the mean? b. What is the probability that the average of four babies' weights will be within 0.6...
Problem 4 –Weights of newborn babies (6 marks) Paediatricians measure the weights of newborn babies to...
Problem 4 –Weights of newborn babies Paediatricians measure the weights of newborn babies to closely monitor their growth in the first six months of their life. A study reveals that weights of newborn babies are normally distributed with a mean of 3.2kg and a standard deviation of 0.4kg. a) Find the probability that a randomly selected newborn baby would have a weight more than 3.5kg. Display working. 1 mark b) Eight newborn babies are randomly selected. What is the probability...
Baby weights: the weight of male babies less than 2 months old in the United States...
Baby weights: the weight of male babies less than 2 months old in the United States is normally distributed with mean 11.5 pounds and standard deviation 2.5 pounds What proportion of babies weigh more than 13 pounds? What proportion of babies weigh less than 15 pounds? What proportion of babies weigh between 9 and 14 pounds? Is it unusual for a baby to weigh more than 15 pounds? Round 4 places
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...
Question 5: Baby weights: The weight of male babies less than 2 months old in the...
Question 5: Baby weights: The weight of male babies less than 2 months old in the United States is normally distributed with mean 11.6 pounds and standard deviation 2.8 pounds. Use the TI-84 Plus calculator to answer the following. (a) What proportion of babies weigh more than 13 pounds? (b) What proportion of babies weigh less than 15 pounds? (c) What proportion of babies weigh between 9 and 13.2 pounds? (d) Is it unusual for a baby to weigh more...
baby weights: the weight of male babies less than 2 months old in the United States...
baby weights: the weight of male babies less than 2 months old in the United States is normally distributed with mean 11.5 pounds and a standard deviation of 2.5 pounds. what portion of the babies weigh between 9 and 14 pounds?
14)The average weight of a newborn baby is 7.9 pounds with standard deviation 0.7 pounds. Suppose...
14)The average weight of a newborn baby is 7.9 pounds with standard deviation 0.7 pounds. Suppose the weight of babies is approximately Normally distributed. a) What percentage of babies will have a birth weight between 6.5 and 9.3 pounds? Round to 2 decimals. b)If a newborn’s weight is in the top 5% of all babies, then what is their weight at birth? Round to 2 decimals
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT