A uniform distribution has endpoints 4 and 18. A. What is the mean? B. What is the standard deviation, reporting to 2 decimal places? C. What is P(x = 5)?

Q: A given distribution has a population mean, μ, of 127 and a population standard deviation, σ, of 11.…

A: We have given that,  X be the random variable from normal distribution with mean (μ) = 127 and…

Q: Given a normal distribution with a mean of 150, and a standard deviation of 7.5, find the value of a…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: A given distribution has a population mean, μ, of 121 and a population standard deviation, σ, of 7.…

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Q: consider a normal distribution with a mean of 500 and a standard deviation of 50. a. Below what…

A: Data given  X~N(μ=mean=500, standard deviation=σ=50)

Q: A given distribution has a population mean, μ, of 118 and a population standard deviation, σ, of 8.…

A: Solution: Let X be the random variable with mean µ and standard deviation is σ. Then, the Z-score…

Q: Given a uniform distribution with endpoints 4 and 22: What is the mean?        What is the…

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Q: For any Normal Distribution, approximately . of the observations fall within three standard…

A: Normal distribution is given.

Q: Given a distribution with a mean of 60 and standard deviation of 21, find a value with a z-score of…

A: Introduction:Consider X as a normally distributed random variable, with mean μ and standard…

Q: In a Normal distribution 7% items are under 35 and 89% are under 63. Find its mean and standard…

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Q: In a distribution exactly normal, 7% of the items are under 35 and 89% are under 63. What are the…

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Q: A given distribution has a population mean, μ, of 131 and a population standard deviation, σ, of 14.…

A: Given information Mean = 131 Standard deviation = 14

Q: . Given a distribution with a mean of 60 and standard deviation of 21, find a value with a z-score…

A:

Q: A given distribution has a population mean, μ, of 116 and a population standard deviation, σ, of 8.…

A: From the provided information,

Q: The weights of students in a very large statistics class vary according to a Normal distribution…

A: X be the weights of students in the statistics class. Given that, X follows Normal distribution with…

Q: A given distribution has a population mean, μ, of 113 and a population standard deviation, σ, of 6.…

A: A given distribution has; a population mean(μ)=113 and a population standard deviation(σ)=6 find…

Q: For any normal distribution, about 68 % of the data lie within one standard deviation of the mean.…

A: The empirical rule, also referred to as the three-sigma rule or 68-95-99.7 rule, is a statistical…

Q: In a normal distribution, 99.7% of the data fall within how many standard deviations of the mean? A.…

A: Solution-: In a normal distribution, 99.7% of the data fall within how many standard deviations of…

Q: Below is the graph of a normal distribution with mean = standard deviation o = 84 and 2.4

A: Given Information: A graph of a normal distribution with mean μ = 84 and standard deviation σ=2.4 To…

Q: In which distribution shape does the Standard Deviation Rule apply?

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Q: - For all practice purposes, the normal curve has how many standard deviation units?

A: Empirical rule (68-95-99.7 rule): About 68% of data lies within the first standard deviation of the…

Q: The mean and standard deviation of the sampling distribution of the mean is shown as?

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Q: A given distribution has a population mean, μ, of 142 and a population standard deviation, σ, of 11.…

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Q: Given the data 18, 23, 26, 29, find the standard deviation to two decimal places answer rounded to…

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Q: A given distribution has a population mean, μ, of 133 and a population standard deviation, σ, of 15.…

A: A given distribution has a population mean, μ, of 133 and a population standard deviation, σ, of 15.

Q: given a normal distribution with mean of 40 and standard deviation of 6, find

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Q: For a certain normal distribution, the first moment about 10 is 40 and the fourth moment about 50 is…

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Q: The price-earnings (PE) ratios of a sample of stocks have a mean value of 10.75 and a standard…

A: Empirical Relationship: The empirical rule states that if a distribution is unimodal and symmetric…

Q: Based on the graph of this normal distribution. a) The mean is _____ .  b) The standard deviation…

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Q: In a particular examination, the mean score is 82 and the standard deviation is 3.7. Wha is the Z-…

A: Given that the mean is 82 and standard deviation is 3.7. That is, μ=82σ=3.7

Q: A data set with roughly a bell-shaped distribution has mean 45 and standard deviation 12.…

A: The percentage of the observations lie between 33 and 57 is obtained below:Let X be an observation…

Q: A large normally distributed population has a mean of 502 and a standard deviation of 25. If the…

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Q: A given distribution has a population mean, μ, of 101 and a population standard deviation, σ, of 15.…

A: Z-score for any Raw score X is given by, Z Score=(X-mu)/sigma Where mu is mean and sigma is standard…

Q: Suppose a normal distribution has a mean of 79 and a standard deviation of 7. What is P(x 93)? O A.…

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Q: A given distribution has a population mean, μ, of 139 and a population standard deviation, σ, of 15.…

A: Given data, Mean( μ)=139 sd( σ)=15 If x=81 z=?

Q: A class distribution is normal with mean of 75 and a standard deviation of 10. Find the following…

A: According to the given information, we haveMean = 75Standard deviation = 10

Q: Suppose a normal distribution has a mean of 50 and a standard deviation of 3. What is P(x≤ 47)? OA.…

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Q: Assuming that the heights of college women are normally distributed with mean 65 inches and standard…

A: Given information Population means µ = 65 inches Standard deviation σ = 3.4 inches We have to…

Q: The mean in a given set of data is 10.00 and the population standard deviation is 2.50. If the data…

A: The kth percentile implies the value, below which k of the total observations lie.

Q: A given distribution has a population mean, μ, of 100 and a population standard deviation, σ, of 9.…

A: From the provided information, Mean (µ) = 100 Standard deviation (σ) = 9 X~N (100, 9)

Q: A normal distribution has a mean of 98 and a standard deviation of 9. Find the z-score for a data…

A: Consider the given:  Formula for z score- z=Value − meanStandard deviationIt is given…

Q: At the local liquour store, a single purchase approximately follows a normal distribution with a…

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Q: Suppose a normal distribution has a mean of 79 and a standard deviation of 7. What is P(xs 93)? O A.…

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Q: For the binomial distribution, which formula finds the standard deviation? Choose the correct answer…

A: Given X~Bin(n,p)

Q: Given an approximately normal distribution with a mean of 175 and a standard deviation of 37,…

A: Given info: Here, mean is 175 and standard deviation is 37.

Q: A uniform distribution has endpoints 4 and 18. A. What is the mean? B. What is the standard…

A: As per our guidelines we can solve first three subpart and rest can be reposted. Solution-: Let, X-…

Q: Suppose that the annual rainfall in Ferndale, California, is known to be normally distributed, with…

A: Given data Mean μ = 35.5 inches Standard deviation ? = 2.5 inches For top 2.8% P (Z >z) = 0.028 P…

Q: Suppose a normal distribution has a mean of 79 and a standard deviation of 7. What is P(xs 65)? O A.…

A: Normal distribution has mean =79 and SD = 7, p(X<=65) = ?

Q: The average grade for an exam is 74, and the standard deviation is 7. If 12% of the class is given…

A: Given: Average=74 Standard deviation=7 z value for 88th percentile z=1.18(consulting the table…

Q: In a certain​ distribution, the mean is 70 with a standard deviation of 5. At least what fraction…

A: Given. μ=70 σ=5 We have to determine the fraction of of the numbers are between 60 and 80.…

Q: A given distribution has a population mean, μ, of 144 and a population standard deviation, σ, of 15.…

A: