Mean and Standard Deviation of a Probability Distribution Statistics Random Variables Mean and Standard Deviation of a Probability Distribution Add yours Sorry, we don't have any videos for this topic yet. Let teachers know you need one by requesting it Request a video 5 Help us find a video Log in so we can tell you when a lesson is added. Sign in with Google Sign in with Facebook Questions How do you calculate population standard deviation? Yesterday 0 Answers What is the standard deviation of 1, 2, 3, 4, and 5? VarunStatsHelp answered · 3 days ago 1 Answer How do you find the mean absolute deviation of the data set 35, 40, 38, 32, 42, and 41? Smart C. answered · 3 days ago 1 Answer How do you find the standard deviation of something that only gives you two or three numbers? 4 days ago 0 Answers Let's say that the mean was 71.3, the standard deviation was 18.7. Does the standard deviation mean that 9.35 + or - from 71.3 will all get the same grade? 6 days ago 0 Answers Test scores are normally distributed with a mean of 170 and a standard deviation of 10. What is the probability that a randomly picked score will be between 165 and 180? 6 days ago 0 Answers What is the effect on the mean, median, mode, IQR, and range of each data value is increased by 3? soq answered · 2 weeks ago 1 Answer A government's department of transportation reported that in 2009 Airline A led all domestic airlines in on-time arrivals for domestic flights, with a rate of 83.9%. What is the mean and standard deviation for this distribution? 3 weeks ago 0 Answers Why is the standard deviation of a population larger than the standard deviation of a sample? 3 weeks ago 0 Answers What is the standard deviation of 1, 2, 3, 4, and 5? VarunStatsHelp answered · 3 weeks ago 1 Answer The probabilities that a batch of 4 computers will contain 0, 1, 2, 3 and 4 defective computers are 0.4521, 0.3970, 0.1307, 0.0191 and 0.0010, respectively. What is the standard deviation for the probability distribution? VarunStatsHelp answered · 4 weeks ago 1 Answer What are the mean and standard deviation of #p(x) = k*1/x^3#, where k is a constant s.t. the max CDF equals one? 4 weeks ago 0 Answers Draw histogram from the following data and determine the value of mode graphically.Also verify the results with a standard formula? Marks 0-10,10-20,20-30,30-40,40-50,50-60 Frequency 11,12,20,30,15,18 camron asked · 4 weeks ago 0 Answers On a standard measure of hearing ability the mean is 300 and the standard deviation is 20. What is the z-score for a person who scores 340? VarunStatsHelp answered · 1 month ago 1 Answer What is the value of #x# if #100, 120, 103, 133, 109, x# have a mean of #110#? GM_Phrostbyte answered · 1 month ago 1 Answer The prevalence rate of obesity among a population of adults is 40%. We plan to draw a random sample of 100 people from that population. What is the standard error of the sample proportion of hypertension? 1 month ago 0 Answers Calculate the standard deviation for the following data ? VarunStatsHelp answered · 1 month ago 1 Answer What are the mean and standard deviation of the probability density function given by #p(x)=k/x^3-k/x^4 # for # x in [0,1]#, in terms of k, with k being a constant such that the cumulative density across all x is equal to 1? 1 month ago 0 Answers Alfred missed a class test. For the test that Alfred missed, the class mean was 18 and the standard deviation was 4. If his teacher is going to give Alfred a mark based on his standard score, what mark should Alfred receive? Christian J. answered · 1 month ago 1 Answer The average cost per night of a sample of 45 hotel rooms in New York City is $273. The sample standard deviation is $54. What is population mean cost per night of hotel rooms in NYC? 1 month ago 0 Answers If a random sample of size 11 is drawn from a population distribution with standard deviation Ïƒ = 10 then what will be the variance of the sampling distribution of the sample mean? Nallasivam V answered · 1 month ago 1 Answer What are the mean and standard deviation of the probability density function given by #p(x)=cotkx^2# for # x in [pi/8,(5pi)/12]#, in terms of k, with k being a constant such that the cumulative density across the range of x is equal to 1? 1 month ago 0 Answers How do you calculate the standard error of a mean? 2 months ago 0 Answers Assume a binomial probability distribution with #n = 40# and #p = 0.55#. What is the standard deviation? Morgan answered · 2 months ago 1 Answer Americans spend an average of 3 hours per day online. If the standard deviation is 32 minutes, find the range in which at least 88.89% of the data will lie.. Use Chebyshev"s theorem. help!!?? Deb P. asked · 2 months ago 0 Answers What is the mean absolute deviation of the numbers: 8, 7, 6.5, 8, 9, 10, 7.5, 9.5, 8, 9.5, 10, 7, 8, and 7? 2 months ago 0 Answers How do you find the mean and standard deviation of the random variable #X#? 2 months ago 0 Answers How do I calculate standard error of the mean with two samples? 2 months ago 0 Answers What are the mean and standard deviation of the probability density function given by #(p(x))/k=(1-1/x)^x# for # x in [2,10]#, in terms of k, with k being a constant such that the cumulative density across the range of x is equal to 1? 2 months ago 0 Answers A distribution has a mean of 10400.93 and a standard deviation of 5112.49. What is one standard deviation above the mean? VarunStatsHelp answered · 2 months ago 1 Answer Is the standard deviation of a data set invariant to dilation? 2 months ago 0 Answers What does a small standard deviation signify? What does a large standard deviation signify? Daniel L. answered · 2 months ago 1 Answer What is the standard deviation of the following numbers: 24, 36, 33, 21, 15, 11? sankarankalyanam answered · 2 months ago 2 Answers For mean 6 and standard deviation 2, how much area is under the bell curve, above the horizontal axis, and between x = 0 and x = 12? VarunStatsHelp answered · 2 months ago 1 Answer What are the mean and standard deviation of the probability density function given by #p(x)=sin(k(x-pi))# for # x in [pi/8,(5pi)/12]#, in terms of k, with k being a constant such that the cumulative density across the range of x is equal to 1? 2 months ago 0 Answers How do I find the corresponding x-scores for a z-score of .40, if it has a mean of 7 and a standard deviation of 10? VarunStatsHelp answered · 2 months ago 1 Answer The mean score was 165.8. What is the variance? 2 months ago 0 Answers What are the mean and standard deviation of the probability density function given by #(p(x))/k=x^2-8x# for # x in [0,10]#, in terms of k, with k being a constant such that the cumulative density across the range of x is equal to 1? 2 months ago 0 Answers What are the mean and standard deviation of the probability density function given by #p(x)=tankx# for # x in [0,pi/4]#, in terms of k, with k being a constant such that the cumulative density across the range of x is equal to 1? 2 months ago 0 Answers What are the mean and standard deviation of the probability density function given by #p(x)=tan^2kx# for # x in [0,pi/4]#, in terms of k, with k being a constant such that the cumulative density across the range of x is equal to 1? 2 months ago 0 Answers The mean and s.d of 20 items were found to be 12 and 6 respectively.on checking it was discovered that items which should correctly read as 11 and 21 had been wrongly taken as 15 and 27 respectively. Find the correct value of mean and S.D ? Khushboo asked · 2 months ago 0 Answers The ages, in years, of Sharice's family members are 2, 5, 18, 20, 31, 45, 76, 54, 34, 82. What is the mean absolute deviation of the data set? 2 months ago 0 Answers What are the mean and standard deviation of the probability density function given by #(p(x))/k=ln(x^3+1)# for # x in [0,1]#, in terms of k, with k being a constant such that the cumulative density across the range of x is equal to 1? Narad T. answered · 2 months ago 1 Answer How can you use a standard deviation to calculate an expected percentile? 2 months ago 0 Answers On a standard measure of hearing ability the mean is 300 and the standard deviation is 20. What is the z-score for a person who scores 260? Evan answered · 3 months ago 1 Answer What are the mean and standard deviation of the probability density function given by #p(x)=cos(k(x-pi))# for # x in [pi/8,(5pi)/12]#, in terms of k, with k being a constant such that the cumulative density across the range of x is equal to 1? 3 months ago 0 Answers Is the standard deviation a good measure of accuracy? 3 months ago 0 Answers For a bell curve with mean 7 and standard deviation 3, how much area is under the curve, above the horizontal axis, and between x = 2.5 and x = 11.5? Andrea B. answered · 3 months ago 1 Answer Find the standard deviation of 28, 30, 29, 26, 31, and 30? Shwetank Mauria answered · 4 months ago 1 Answer How do I calculate the standard error when I do not know the standard deviation? 4 months ago 0 Answers more Ask a question Answer questions Random Variables View all chapters 1 Probability Distribution 2 Mean and Standard Deviation of a Probability Distribution 3 Law of Large Numbers 4 Addition Rules for Variances Prev Next