Question

30% of soldiers who went to fight in the Soldo war died. With a sample size...

30% of soldiers who went to fight in the Soldo war died. With a sample size of 400 soldiers, what is the standard deviation? Can you find the Standard Deviation with this information given?

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

Homework Answers

Answer #1

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
A random sample of size 30 is selected from a known population with a mean of...
A random sample of size 30 is selected from a known population with a mean of 13.2 and a standard deviation of 2.1. Samples of the same size are repeatedly collected, allowing a sampling distribution of sample means to be drawn. a. What is the expected shape of the resulting distribution? b. Where is the sampling distribution of sample means centered? c. What is the approximate standard deviation of the sample means? 2. The lifetimes of a certain type of...
If the Average or Mean is 30 The Standard Deviation is 6 The Sample Size is...
If the Average or Mean is 30 The Standard Deviation is 6 The Sample Size is 50 How is a bell curve created in Excel? I have already answered the question which is: What is the sampling distribution of x if a random sample of 50 individuals who have downloaded Spontanversation is used? Answer: 6/SQRT(50) = .848528
you collect data on a sample of 10 male current and former police officers who died...
you collect data on a sample of 10 male current and former police officers who died in the last year and find that the mean age at the time of death is 72 with a SS =1521. you know that for the mean age of death for all males who died in the last year is 75. using alpha of .05, test the hypothesis that male police officers die, on average at a different age than the populations of males
To estimate the average weight of air-freight packages a sample of size 400 was collected. The...
To estimate the average weight of air-freight packages a sample of size 400 was collected. The sample mean for these 400 packages was found to be 85.6 and the sample standard deviation was 3.2. Construct a 95% confidence interval for the average weight of air-freight packages. Find the minimum required sample size for estimating the mean of a population to within 0.4 with 98% confidence. If you test the hypotheses Ho : μ = 80 versus H1 : μ  80, what...
Find the p -value for the hypothesis test. A random sample of size 53 is taken....
Find the p -value for the hypothesis test. A random sample of size 53 is taken. The sample has a mean of 424 and a standard deviation of 83. H 0 : µ = 400 H a : µ ≠ 400 The p -value for the hypothesis test is
How do you find the sample size with only knowing the Standard Deviation, Confidence interval, and...
How do you find the sample size with only knowing the Standard Deviation, Confidence interval, and sample mean? Also if there is no sample mean given?
Using the following information: Sample mean 0.53, sample size of 6, and sample standard deviation 0.0559...
Using the following information: Sample mean 0.53, sample size of 6, and sample standard deviation 0.0559 Find a 95% confidence interval for the population mean.
1)Given a sample mean is82, the sample size is 100and the population standard deviation is 20....
1)Given a sample mean is82, the sample size is 100and the population standard deviation is 20. Calculate the margin of error to 2 decimalsfor a 90% confidence level. 2)Given a sample mean is 82, the sample size is 100 and the population standard deviation is 20. Calculate the confidence interval for 90% confidence level. What is the lower limit value to 2 decimals? 3)Given a sample mean is 82, the sample size is 100 and the population standard deviation is...
When you have the parental population that is highly skewed, you can make the sample size...
When you have the parental population that is highly skewed, you can make the sample size larger than 30 to make an accurate Xbar chart. In this case, what is the relationship between the sample size and standard deviation (dispersion)?Justify your answer based on the Central Limit Theorem
Find the p -value for the hypothesis test. A random sample of size 51 is taken....
Find the p -value for the hypothesis test. A random sample of size 51 is taken. The sample has a mean of 392 and a standard deviation of 83. H 0 : µ = 400 H a : µ< 400. The p -value for the hypothesis test is... ____________ (Rounded to 4 decimal places)
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT