A population has parameters μ=134.3 and σ=62.4. You intend to draw a random sample of size n=210. What is the mean of the distribution of sample means? μ¯x= What is the standard deviation of the distribution of sample means? (Report answer accurate to 2 decimal places.) σ¯x=

Q: A population of scores has μ = 44. In this population, a score of X = 40 corresponds to z = −1.00.…

A: Where,

Q: A population has a mean u=87 and a standard deviation o = 12. Find the mean and standard deviation…

A:

Q: A distribution of exam scores has a mean of μ = 42. If your score is X = 46, which standard…

A: we have to find which sd will give better score.

Q: nutritionist claims that the mean tuna consumption by a person is 3.1 pounds per year. A sample of…

A: From the provided information, Sample size (n) = 70 Sample mean (x̅) = 2.9 Population standard…

Q: A population has a mean μ = 88 and a standard deviation a=7. Find the mean and standard deviation of…

A: The mean is 88 and the standard deviation is 7.

Q: A population of scores has mean 80. in this population, a score of X= 86 corresponds to z= +2. what…

A:

Q: A population has a mean μ=90 and a standard deviation σ=22. Find the mean and standard deviation of…

A:

Q: A population has a mean µ = 84 and a standard deviation o = 29. Find the mean and standard deviation…

A: Suppose the variable of interest is x. It is given that; x has mean µx = 84 and the standard…

Q: A population has a mean μ=73 and a standard deviation σ=9. Find the mean and standard deviation of a…

A:

Q: A population of scores has μ = 80. In this population, a score of X= 92 corresponds to z = 5. what…

A: Given: μ = 80 z = 5 X= 92

Q: A population has a mean μ = 71 and a standard deviation a=18. Find the mean and standard deviation…

A: List of formulae :  Mean of sampling distribution of the sample means :  μx¯ =μ Standard deviation…

Q: A population of scores has µ=250, In this population, a score of X=300 corresponds to Z=+2.50. What…

A:

Q: A population has a mean μ=83 and a standard deviation σ=6. Find the mean and standard deviation of a…

A: Given information Population mean µ = 83 Sample size = 36 Standard deviation σ = 6 We have to find…

Q: sample has a mean M = 89. In the sample, a score of X = 6 corresponds to z = 2. What is the standard…

A:

Q: A random variable is not normally distributed, but it is mound shaped. It has a mean of 18 and a…

A: GivenMean(μ)=18standard deviation(σ)=2sample size(n)=40

Q: You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe…

A: Margin of error, Sample sizeGiven dataStandard deviation = 56.7Confidence interval =…

Q: A population has a mean μ=79 and a standard deviation σ=18. Find the mean and standard deviation of…

A:

Q: You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe…

A: Since population standard deviation is known, use z-distribution to find the critical value.

Q: population mean. Based on previous evidence, you believe the population standard deviation is…

A: We have given that,  Margin of error (E) = 3, population standard deviation (σ) = 25.7 and…

Q: A population has a mean u= 71 and a standard deviation a= 27. Find the mean and standard deviation…

A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…

Q: A population has a mean μ = 72 and a standard deviation o=27. Find the mean and standard deviation…

A: Population mean=72Population standard deviation=27Sample size n=81

Q: We want to obtain a sample to estimate a population mean. Based on previous evidence, researchers…

A: To determine the required sample size, we will use the margin of error formula for the mean. We will…

Q: Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the…

A: Given data mean=69.0 inches standard deviation=2.8 inches x=79.7 inches

Q: A population has a mean = 86 and a standard deviation a=21. Find the mean and standard deviation of…

A: Given information: The sample size is n =258. Population mean, μ=86. Population standard deviation,…

Q: A random variable is not normally distributed, but it is mound shaped. It has a mean of 18 and a…

A: given data population mean ( μ ) = 18population sd ( σ ) = 2sample size (n) = 13find mean of the…

Q: You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe…

A: given data  95% ci for μ. σ = 58.3 E = 2 n = ?

Q: A population has a mean u = 81 and a standard deviation o 36. Find the mean and standard deviation…

A: Given that, A population has mean μ=81 and standard deviation σ=36. Sample size n=81

Q: A population has a mean u=75 and a standard deviation o = 29. Find the mean and standard deviation…

A: Determine the sampling distribution of the sample mean for sample of size 231.   The sampling…

Q: a population of scores has u=44. in this population a score of x=40 corresponds to z = -1.00. What…

A: We have given that, Population mean (u) = 44, raw score of population (X) = 40 and z- score = -1. 00…

Q: A population has a mean μ = 72 and a standard deviation a=27. Find the mean and standard deviation…

A:

Q: A population of scores has µ=44. In this population, a score of X= 40 corresponds to z= - 0. 50.…

A:

Q: A population has a mean μ=88 and a standard deviation σ=28. Find the mean and standard deviation of…

A: Given,   Mean = 88 Standard deviation = 28   The mean and standard deviation of a sampling…

Q: A population has a mean = 151 and a standard deviation a = 30. distribution of sample means with…

A:

Q: A population has a mean u = 90 and a standard deviation o = 30. Find the mean and standard deviation…

A: We have given that the population has a mean 90 and  a standard deviation 30.

Q: A population has a mean μ = 70 and a standard deviation o=36. Find the mean and standard deviation…

A: Mean=70 Standard deviations=36 Sample size =81

Q: The mean July daily rainfall in Waterville is 10mm and the standard deviation is 1.5mm. Assume that…

A: Let, X = Amount of rainfall in July. Given that the data is normally distributed with mean 10mm and…

Q: A population has a mean u =78 and a standard deviation o = 24. Find the mean and standard deviation…

A: Normal distribution is a continuous distribution which has many real life applications. Normal curve…