174 59. The salaries paid to the managers of a company had a mean of Rs 20,000 with a standard deviation of Rs. 3,000. What will be the mean and standard deviation if all the salaries are increased by (i) 10%, (ii) 10% of the existing mean ? Which policy would you recommend if the management does not want to have increased disparities in waves ?

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A: Given information For construction workers Average number of days = 11 Standard deviation = 2.3 For…

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A:

Q: The mean of a population is 40 and its standard deviation is 3. What are the values ​​of the mean…

A: Given that  Mean=E(X)=40 Standard deviation=Std(X)=3 Variance=Var(X)=32=9

Q: n​ 2007, the mean rate of violent crime​ (per 100,000​ people) for 10 regions in the northeast of a…

A: According to the empirical rule, for normal/ symmetric distribution, approximately 95% of the…

Q: Suppose a population is known to be normally distributed with a mean, μ, equal to 144 and a standard…

A: From the provided information, Mean (µ) = 144 Standard deviation (σ) = 27 X~N (144, 27)

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A: Given mean of the IQ scores= 99.6  Standard deviation= 14.7 Bob's IQ= 109

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Q: Suppose a population is known to be normally distributed with a mean, μ, equal to 116 and a standard…

A: Given information Mean = 116 Standard deviation = 14  between 88 and 116

Q: Suppose a population is known to be normally distributed with a mean, μ, equal to 116 and a standard…

A: From the provided information, Mean (µ) = 116 Standard deviation (σ) = 14 X ~N (116, 14)

Q: A distribution with u = 55 and s= 6 is being standardized so that the new mean and standard…

A: The original distribution has mean of   55 and s = 6. The X-score of original distribution is, 58…

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Q: 1. The mean height of the students in Grade 12 Newton is 125 cm and has a standard deviation of 3.5…

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Q: Suppose that the heights of adult men in the United States are normally distributed with a mean of…

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Q: Suppose that the heights of adult men in the United States are normally distributed with a mean of…

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Q: In​ 2007, the mean rate of violent crime​ (per 100,000​ people) for 10 regions in the northeast of a…

A: Solution: Let X be the violent crime rate. From the given information, X follows normal distribution…

Q: Suppose a population is known to be normally distributed with a mean, μ, equal to 116 and a standard…

A: Obtain the standard z-score for X equals 88. The standard z-score for X equals 88 is obtained below:…

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A: List of formulae : Test statistic : t =rn-21-r2 Where , r is correlation coefficient. r =…

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A: GivenMean(μ)=84standard deviation(σ)=6

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A: Disclaimer : Since you have asked multiple question, we will solve the one question for you. If you…

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Q: Suppose a population is known to be normally distributed with a mean, μ, equal to 144 and a standard…

A: Given information Mean = 144 Standard deviation = 27  between 90 and 171

Q: 1. The mean score and the standard deviation in the Statistics test are respectively equal to 80…

A: For Statistics test: Mean(μ) = 80 Standard deviation(σ) = 2.5 For Mathematics test: Mean(μ) = 70…

Q: Suppose a population is known to be normally distributed with a mean, μ, equal to 144 and a standard…

A: Mean = 144 Standard deviation  = 27

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Q: Suppose that pulse rates among healthy adults are normally distributed with a mean of  79…

A: Given,mean(μ)=79standard deviation(σ)=10

Q: Suppose that the heights of adult men in the United States are normally distributed with a mean of…

A: Let the random variable X denote the height of adult men in United States. Given that X ~ N(69,…

Q: Suppose a population is known to be normally distributed with a mean, μ, equal to 144 and a standard…

A: The provided information are:

Q: Suppose that the heights of adult men in the United States are normally distributed with a mean of…

A: According to the given information, we have Mean = 70.5 inches and Standard deviation = 3 inches

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A: The mean is 3.55, and standard deviation is 6.09.

Q: Suppose that pulse rates among healthy adults are normally distributed with a mean of  81…

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Q: Suppose that the heights of adult men in the United States are normally distributed with a mean of…

A: given data,normal distribution μ=69.5σ=3.5proportion of the adults men in united states are at most…

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A: Solution

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Q: Suppose that the hemoglobin levels among healthy females are normally distributed with a mean of 14.…

A: Question: Suppose that the hemoglobin levels among healthy females are normally distributed with a…

Q: Suppose a population is known to be normally distributed with a mean, μ, equal to 116 and a standard…

A: From the information, the mean is 116 and a standard deviation is 14.

Q: Suppose that the heights of adult men in the United States are normally distributed with a mean of…

A:

Q: Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of…

A: Given,mean(μ)=0.2standard deviation(σ)=0.05

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A: If 5 points were added to each score,then SD of the  new scores would

Q: Suppose that pulse rates among healthy adults are normally distributed with a mean of 79…

A: Mean (µ) = 79 beats/minute Standard deviation (σ) = 8 beats/minute Let X be a random variable which…

Q: Suppose a population is known to be normally distributed with a mean, μ, equal to 116 and a standard…

A: Consider that X is a random variable defined as the population, which is normally distributed.The…

Q: Suppose that the heights of adult men in the United States are normally distributed with a mean of…

A: From the provided information, Mean (µ) = 70.5 inches Standard deviation (σ) = 3.5 inches Let X be a…

Q: If there are ten values each equal to 10, then standard deviation of these values is:

A: Standard deviation determines how the individual values of the data deviate from the value of mean.…

Q: Suppose that pulse rates among healthy adults are normally distributed with a mean of  79…

A: Let X be pulse rates among healthy adults  Given, Mean = 79 Standard deviation = 8

Q: From previous experience it is known that the percentage yield of a chemical process is normally…

A: Here use basic of confidence interval