Probability-central limit theorem
A population has the mean of 180 and the standard deviation of 24. A sample of 64 observations will be taken. The probability that the sample mean will be between the 183 and 186 is
a.0.1359
b 0.8185
c. 0.3413
d. 0.4772
Expected delivery within 24 Hours
If random samples, each with n = 4 scores, are selected from a normal population with MK = 80 and o=10, then the distribution of sample means would have a standard error of __________ .
An automotive repair shop has determined that average service time on the automobile is 2 hours with the standard deviation of 32 minutes. A random sample of 64 services is chosen.
If random samples, each with n = 25 scores, are selected from a normal population with u, = 80 and a = 20, and the mean is calculated for each sample, then an average distance between M and u would be.
h of the following is an example of a fixed asset?
Find out the standard error of the sample mean.
What dividends are preferred stockholders entitled to receive in current year before any distribution is made to common stockholders?
assume you want to test the claim the paired sample data given below come from a population for which the mean difference is mean d = 0.
The mean return for a random sample of 33 mutual funds is 14.93 percent with a standard deviation of 9.57. Make a 95 percent confidence interval for the population mean.
1937764
Questions Asked
3,689
Active Tutors
1459576
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: Draw a model to show how the metamorphic rock gneiss forms and then changes into a sedimentary rock.
What have you learned about natural gas as a source of energy? Are there any environmental concerns about using natural gas?
Select the question that would not clarify the contributing factors to the global temperature increase.
Which idea for preventing global warming would be most difficult to implement? Stop all deforestation projects and fossil fuel use.
Question: Where in the solar system (and beyond) have scientists found evidence of organic molecules?
Question: Which question will best help someone understand factors that contribute to global warming?
Question: Which of the following directly contributes to sea level rise? Select all that apply.