Question

6) A zoologist weights 24 newborn African elephants born in captivity. The mean weight of the...

6) A zoologist weights 24 newborn African elephants born in captivity. The mean weight of the sample is 180.1 lbs with a standard deviation of 5.7 lbs.

a) Find a 99% confidence interval for the true weight of newborn African elephants born in captivity.

b) Provide the margin of error of the interval as your answer.

Round your answer to 1 decimal place.

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Answer:

Given that:

A zoologist weights 24 newborn African elephants born in captivity. The mean weight of the sample is 180.1 lbs with a standard deviation of 5.7 lbs.

mean=180.1 ,standard deviation= 5.7 , n=24

(a) Find a 99% confidence interval for the true weight of newborn African elephants born in captivity.

99% confidence interval for the true weight of newborn African elephant born in capacity is

(b) Provide the margin of error of the interval as your answer.

margin of error of the interval

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
6) A zoologist weights 19 newborn African elephants born in captivity. The mean weight of the...
6) A zoologist weights 19 newborn African elephants born in captivity. The mean weight of the sample is 185.4 lbs with a standard deviation of 6.4 lbs. a) Find a 99% confidence interval for the true weight of newborn African elephants born in captivity. b) Provide the margin of error of the interval as your answer. Round your answer to 1 decimal place.
5) A zoologist weights 19 newborn African elephants born in captivity. The mean weight of the...
5) A zoologist weights 19 newborn African elephants born in captivity. The mean weight of the sample is 183.5 lbs with a standard deviation of 5.3 lbs. a) Find a 99% confidence interval for the true weight of newborn African elephants born in captivity. b) Provide the right endpoint of the interval as your answer. Round your answer to 1 decimal place.
5) A zoologist weights 15 newborn African elephants born in captivity. The mean weight of the...
5) A zoologist weights 15 newborn African elephants born in captivity. The mean weight of the sample is 186.7 lbs with a standard deviation of 5.8 lbs. a) Find a 99% confidence interval for the true weight of newborn African elephants born in captivity. b) Provide the right endpoint of the interval as your answer. Round your answer to 1 decimal place.
The standard deviation of the weights of elephants is known to be approximately 15 pounds. We...
The standard deviation of the weights of elephants is known to be approximately 15 pounds. We wish to construct a 95% confidence interval for the mean weight of newborn elephant calves. Fifty newborn elephants are weighed. The sample mean is 244 pounds. The sample standard deviation is 11 pounds. Construct a 95% confidence interval for the population mean weight of newborn elephants. State the confidence interval. (Round your answers to two decimal places.)   ,   Sketch the graph. (Round your answers...
The standard deviation of the weights of elephants is known to be approximately 15 pounds. We...
The standard deviation of the weights of elephants is known to be approximately 15 pounds. We wish to construct a 95% confidence interval for the mean weight of newborn elephant calves. Fifty newborn elephants are weighed. The sample mean is 244 pounds. The sample standard deviation is 11 pounds. A) Construct a 95% confidence interval for the population mean weight of newborn elephants. B) What will happen to the confidence interval obtained, if 500 newborn elephants are weighed instead of...
The standard deviation of the weights of elephants is known to be approximately 15 pounds. We...
The standard deviation of the weights of elephants is known to be approximately 15 pounds. We wish to construct a 95% confidence interval for the mean weight of newborn elephant calves. Fifty newborn elephants are weighed. The sample mean is 244 pounds. The sample standard deviation is 11 pounds. Identify the following: x¯ = σ = n = In words, define the random variables X and X¯. Construct a 95% confidence interval for the population mean weight of newborn elephants....
please do steps 11 - The mean weight of 10 randomly selected newborn babies at a...
please do steps 11 - The mean weight of 10 randomly selected newborn babies at a local hospital is 7.14 lbs and the standard deviation is 0.87 lbs. Assume the weight of newborn babies has approximately normal distribution. a. Find the margin of error for the 95% confidence interval for the mean weight of all newborn babies at this hospital. b. Use information from part (a) to fill in the blanks in the following sentence: __________ of all samples of...
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.
You measure 24 turtles' weights, and find they have a mean weight of 72 ounces. Assume...
You measure 24 turtles' weights, and find they have a mean weight of 72 ounces. Assume the population standard deviation is 12.7 ounces. Based on this, what is the maximal margin of error associated with a 95% confidence interval for the true population mean turtle weight. Give your answer as a decimal, to two places ±±  ounces
To determine the average lifespan of the African bull elephant, a zoologist collects data on 15...
To determine the average lifespan of the African bull elephant, a zoologist collects data on 15 bull elephants. The following table shows the lifespan, in years, of 15 African bull elephants. Assume lifespans to be normally distributed. 15.2 23.1 7.5 27.3 25.6 37.1 31.4 36.1 24 .1 27.1 26.7 28.4 9.4 21.9 20.9 In class, we concluded: Based on this sample, we are 90% confident that the mean lifespan of all African bull elephants is between 20.277 and 27.963 years....
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT