A population has a mean μ=71 and a standard deviation
σ=27.
Find the mean and standard deviation of a sampling distribution of
sample means with sample size
n=81.
μx=_____
(Simplify your answer.)
A population has a mean μ=71 and a standard deviation σ=27. Find the mean and standard...
A population has a mean μ 84 and a standard deviation -27 Find the mean and standard deviation of a sampling dstribution of sample means with sample sze n-81 (Simplity your answer) %" [] (Simplify your answer ) Use the given confidence interval to find the margin of error and the sample mean. (13.3,23.1) The sample mean is(Type an integer or a decimal.) in of error is . (Type an integer or a decimal.)
A population has a mean μ=73 and a standard deviation σ=24. Find the mean and standard deviation of a sampling distribution of sample means with sample size n=64.
5.4.1 Question Help A population has a mean μ-84 and a standard deviation σ-36. Find the mean and standard deviation of a sampling distribution of sample means with sample size n 81. μί-d (simplify your answer.) 5.4.18-T Question Help I * The population mean and standard deviation are given below. Find the indicated probability and determine whether a sample mean in the given range below would be considered unusual. If convenient, use technology to find the probability For a sample...
A population has a mean μ=0.1 and a standard deviation σ=0.2. What is the standard deviation of the sampling distribution of the sample means if the sample size is n=112? Round your answer to the nearest hundredth.
A population has a mean μ-85 and a standard deviation σ-21. Find the mean and standard deviation of a sampling distribution of sample means with sample size n 49 H(Simplity your answer) o-# L] (Simplify your answer.) to the random variable x is normally distributed with mean-83 and standard deviation ơ-4 Find the indicated probability P(70sx 76) P(70 < x < 76)= Round to four decimal places as needed.) Enter your answer in the answer box
Questions 23-30: A normal population has a mean μ = 50 and a standard deviation σ = 8. That is, ?~?(50,8). Circle your final answer for each question below. 26. If samples of size 25 are drawn from the population, what is the mean of the sampling distribution of ?̅? 27. If samples of size 25 are drawn from the population, what is the standard deviation of the sampling distribution of ?̅?
A population has mean μ=25 and standard deviation σ=6. Find μx and σx for samples of size n=25. Round your answers to one decimal place if needed.
Questions 23-30: A normal population has a mean μ = 50 and a standard deviation σ = 8. That is, ?~?(50,8). Circle your final answer for each question below. 23. What is the z-score for an individual with a value of 38? 24. What is the probability that a randomly chosen individual from this population will be greater than 40? 25. What is the probability that a randomly chosen individual from this population will be between 44 and 60? 26....
A variable of a population has a mean of μ=100 and a standard deviation of σ=35. a. The sampling distribution of the sample mean for samples of size 49 is approximately normally distributed with mean________ and standard deviation_______?
A population has a mean muequals81 and a standard deviation sigmaequals18. Find the mean and standard deviation of a sampling distribution of sample means with sample size nequals36. mu Subscript x overbarequals nothing (Simplify your answer.)