random sample of size 36 is taken from a population with mean 50 and standard deviation 5. What is μ?

Q: Consider normally distributed population of scores with a mean μ = 100 and a standard deviation σx =…

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Q: If the standard deviation of a random variable X is 20  and a random sample of size n =17,  is​…

A: From the provided information, Standard deviation of a random variable X (σ) = 20 Sample size (n) =…

Q: 10) Suppose a population is normally distributed and has a mean of 7 for some characteristic of…

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Q: For a population with mean 90 and standard deviation 10, what is the z-score corresponding to X =…

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Q: Assume thAt scores on a standardized test are known to follow a bell shaped distribution with a mean…

A: L

Q: A random sample of size, n=20 has the mean 20 and standard deviation 5. What is the coefficeint of…

A: Given Information: Sample size (n) = 20 Sample mean (x¯) = 20 Sample standard deviation (s) = 5 To…

Q: Compute the standard score (Z-score) for x, when x = 40, the mean of the distribution = 50, and the…

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Q: Percentage of dividend income:   % 2. Number of shares:     3. Amount of income: $

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Q: A technology manufacturing company has recently switched to the production of isolinear processors.…

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Q: sample is selected from a population with mean ? = 99 and standard deviation ? = 10. For which of…

A: According to the central limit theorem, if the sample size is sufficiently large, i.e., n =30 or…

Q: A population has a mean μ=147 and a standard deviation σ=30. Find the mean and standard deviation of…

A: The mean of the sampling distribution of sample means: Plug in all the values in the formula, we…

Q: Suppose speeds of vehicles traveling on a highway have an unknown distribution with mean 63 and…

A: Given that the speeds of vehicles traveling on a highway have an unknown distribution with Mean(µ) =…

Q: the population standard deviation is 15, how large a sample is necessary to have a standard error…

A: Given  Population standard deviations σ=15, standard error=se>8

Q: A sample of n=4 has test scores of 0, 0, 12, 12 What is the range, the variance and the standard…

A: Given information- Sample size, n= 4 Given test scores are- 0, 0, 12, 12 We know that- Range =…

Q: A population has a mean of μ = 87 and a standard deviation  = 24 find the mean and standard…

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Q: Calculate the z-score for sample means (single-sample z-test) using this data set. You can assume…

A: Mean = 10 Standard deviation = 5

Q: Consider a sample of 43 Zukain candies. The weights of candies are normally distributed with a…

A: The given data is as follows:Sample size, Sample mean, Sample standard deviation, Candy's weight,

Q: A population has a standard deviation of 18 on average how much difference should exist for a random…

A: From the provided information, Population standard deviation (σ) = 18 Sample size (n) = 36

Q: A population has a mean μ=81 and a standard deviation σ=6. Find the mean and standard deviation of…

A: From the provided information, Mean (µ) = 81 Standard deviation (σ) = 6 X~N (81, 6)

Q: If the standard error of the mean is σx̅ = 3 and the sample size is n = 64, then the population…

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Q: A population has a mean μ=85 and a standard deviation σ=28. Find the mean and standard deviation…

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Q: A population has a mean μ=79 and a standard deviation σ=21. Find the mean and standard deviation…

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Q: A population has a standard deviation of 18 on average how much difference should exist for a random…

A: A population has a standard deviation of 18.

Q: A poll of 1068 adult Americans reveals that 48% of the voters surveyed prefer the Democractic…

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