Question

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?

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 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:...
Birth weight, in grams, of newborn babies are normally distributed with a mean of 3290 grams...
Birth weight, in grams, of newborn babies are normally distributed with a mean of 3290 grams and a standard deviation of 520 grams. Find the percentage of newborns that weigh between 3000 and 4000 grams. Consider again the birth weights of newborn babies, where the mean weight is 3290 grams and the standard deviation is 520 grams. Find the weight, in grams, that would separate the smallest 4% of weights of newborns from the rest.
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...
The birth weight of newborn babies is normally distributed with a mean of 7.5 lbs and...
The birth weight of newborn babies is normally distributed with a mean of 7.5 lbs and a standard deviation of 1.2 lbs. a. Find the probability that a randomly selected newborn baby weighs between 5.9 and 8.1 pounds. Round your answer to 4 decimal places. b. How much would a newborn baby have to weigh to be in the top 6% for birth weight? Round your answer to 1 decimal place.
The weights of a certain dog breed are approximately normally distributed with a mean of 53...
The weights of a certain dog breed are approximately normally distributed with a mean of 53 pounds, and a standard deviation of 5.9 pounds. Answer the following questions. Write your answers in percent form. Round your answers to the nearest tenth of a percent. a) Find the percentage of dogs of this breed that weigh less than 53 pounds. % b) Find the percentage of dogs of this breed that weigh less than 49 pounds. % c) Find the percentage...
Suppose that the weights of professional baseball players are approximately normally distributed, with a mean of...
Suppose that the weights of professional baseball players are approximately normally distributed, with a mean of 207 pounds and standard deviation of 24 pounds. What proportion of players weigh between 200 and 250 pounds? What is the probability that the mean weight of a team of 25 players will be more than 215 pounds? Could you please explain too?
Suppose that the weights of professional baseball players are approximately normally distributed, with a mean of...
Suppose that the weights of professional baseball players are approximately normally distributed, with a mean of 207 pounds and standard deviation of 24 pounds. a. What proportion of players weigh between 200 and 250 pounds? b. What is the probability that the mean weight of a team of 25 players will be more than 215 pounds?
The weights of a certain dog breed are approximately normally distributed with a mean of 50...
The weights of a certain dog breed are approximately normally distributed with a mean of 50 pounds, and a standard deviation of 6.6 pounds. Use your graphing calculator to answer the following questions. Write your answers in percent form. Round your answers to the nearest tenth of a percent. a) Find the percentage of dogs of this breed that weigh less than 50 pounds. ______ % b) Find the percentage of dogs of this breed that weigh less than 47...
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...
In a certain population, body weights are normally distributed with a mean of 152 pounds and...
In a certain population, body weights are normally distributed with a mean of 152 pounds and a standard deviation of 26 pounds. How many people must be surveyed if we want to estimate the percentage who weigh more than 180 pounds? assume that we want 96% confidence that the error is no more than 2.5 percentage points
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT