A population has a mean u= 89 and a standard deviation o = 18. Find the mean and standard deviation of a sampling distribution of sample means with sample size n = 36. H; = (Simplify your answer.)

Q: On a standard measure of hearing ability, the mean is 300 and the standard deviation is 20. Give the…

A: Given data ,Mean u=300S.D σ=20

Q: Suppose that ?, the rent of a one-bedroom apartment in Edmonton, follows a distribution with a mean…

A: Let X be the rent of one - bedroom apartment in Edmonton which follows a distribution with mean (µ )…

Q: The mean is u: = and the standard deviation is o: =

A: Given,

Q: If a population has a standard deviation of 16, what is the minimum number of samples that need to…

A: Given,standard deviation (σ)=16margin of error (E)=2α=1-0.88=0.12α2=0.06Z0.06 =1.5548

Q: A population has a bell-shaped distribution with a mean of 90 and a standard deviation of 8. Which…

A:

Q: For a normally distributed population with a mean of 35 and a standard deviation of 7.5 find P(X…

A: Solution:From the given information, normal distribution with population mean as 35 and standard…

Q: Given a population where p = 0.10, find the standard deviation of the sampling distribution (aka the…

A: Given,p=0.10q=1-0.10=0.9

Q: A random sample of 40 students has a mean annual earnings of $3120 and assume that the population…

A: The margin of Error (MoR): It is the Range of values that has the sample statistics in the…

Q: Consider a sample with a mean of 30 and a standard deviation of 5. Use Chebyshev's theorem to…

A:

Q: From a normally distributed population, we took a simple random sample of 700 students with a mean…

A: Sample size n=700 Sample mean x¯=640 Population Standard deviation σ=300

Q: Which of the following is the correct formula for the margin of error of a population mean where the…

A: Margin of error: A margin of error is a statistical measurement for the diff. between actual and…

Q: The standard deviation of a sample is directly proportional to the square root of its sample size.…

A: We have given the following statement about the standard deviation.

Q: Suppose a normal distribution has a mean of 98 and a standard deviation of 6. What is P(x2 104)? A.…

A: We have given that.   X~N( μ , ?^2 )   μ=98   , ?=6   Z-score =( x - μ )/?

Q: e a sample of 25 hamburgers and weigh them, we find that the mean is 0.57 pounds and the standard…

A: Given that  (a) sample size (n) =25     Sample mean (x¯) = 0.57 pounds     Standard deviation (s)…

Q: Breathing rates for humans can be as low as 4 breaths per minute or as high as 70 or 75 for a person…

A: (a) Obtain the fraction of all students would have breathing rates in the interval from 9.7 to 14.3…

Q: A normal distribution has a mean of 82 and a standard deviation of 3. Find the z-score for a data…

A: If x=82 z=?

Q: The standard deviation of a variable is 15. If a sample of 100 individuals is selected, what size is…

A:

Q: The prices of all college textbooks follow a bell- shaped distribution with a mean of $100 and a…

A:

Q: For a population with mean of 50 and standard deviation of 8, what is the raw score that corresponds…

A: Given,mean(μ)=50standard deviation(σ)=8

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: For a mean of 70 and a standard deviation of 8, find standardized score for a value of 80. O - 1.25…

A: From the provided information, Mean (µ) = 70 Standard deviation (σ) = 8

Q: At a computer manufacturing company, the actual size of computer chips is normally distributed with…

A:

Q: If W is a normally distributed with the mean of 225, find the standard deviation, given that P(X <…

A: Given data: Mean  = 225 find: Standard deviation

Q: The heights of students at a college are normally distributed with a mean of 175 cm and a standard…

A:

Q: Assume that the IQs of adults follow a normal distribution with mean 100 and standard deviation 15.…

A: Let X denote the IQs of adults. Given that X follows N(mean = 100, SD = 15) Given that Sample size n…

Q: If the weights of newborn babies are normally distributed with a mean of 2950 grams and a standard…

A: Given, X~Nμ,σ  where μ=2950 grams    and σ=340 gramsfind P(x&lt;2610)=?

Q: Find the standard deviation, s, of sample data summarized in the frequency distribution table below…

A: Given: Interval Frequency 30-39 1 40-49 3 50-59 8 60-69 3 70-79 15 80-89 31 90-99…

Q: For a population with mean of 50 and standard deviation of 8, what is the raw score that corresponds…

A: We have given that mean = μ = 50standard deviation = σ = 8 z = 0.25

Q: The standard deviation of a population of 10000 volume is 62cm. In the case of "non-refundable…

A: The formula for sample size for a given confidence interval and population standard deviation is:

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

A:

Q: The standard deviation of a sample is inversely proportional to the square root of its sample size.…

A:

Q: For a population with mean of 50 and standard deviation of 8, what is the raw score that corresponds…

A:

Q: If a data value has a z-score of 3.00 and the mean of the distribution is 100 with a standard…

A: 1) Given data, z=3 μ=100 σ=15 X=?

Q: A normally distributed data set has a mean of 0 and a standard deviation of 2. Which of the…

A: Let X be the random variable from normal distribution with mean (μ) = 0 and standard deviation (σ) =…

Q: The price-earnings (PE) ratios of a sample of stocks have a mean value of 12.75 and a standard…

A:

Q: A health study reported​ that, in one​ country, systolic blood pressure readings have a mean of 122…

A:

Q: Suppose the heights of the members of a population follow a normal distribution. If the mean height…

A:

Q: For a population with mean of 50 and standard deviation of 8, what is the raw score that corresponds…

A: In question, Given that mu=50, Sigma= 8 and z score = -0.50 Then we'll find the value of raw score.…

Q: In an examination, the mean grade is 81 and the standard deviation is 6. Find the Z-score of the…

A:

Q: Given: The length (X) of reticulated pythons follows a normal distribution with mean 16 feet and a…

A: Note: According to Bartleby, expert solve only one question and maximum 3 subpart of the first…

Q: For a population with mean of 50 and standard deviation of 8, what is the z-score that corresponds…

A: Given that , mean = μ = 50 standard deviation = σ = 8 x = 46

Q: For a population with mean of 50 and standard deviation of 8, what is the raw score that corresponds…

A:

Q: For a population with mean of 50 and standard deviation of 8, what is the raw score that corresponds…

A: GivenMean(μ)=50standard deviation(σ)=8z=2.50

Q: Complete the table below and find the range, IQR, and the standard deviation of the following data.…

A: Given data, 17,12,20,24,28,30

Q: The standard deviation of a variable is 15. If a sample of 100 individuals is selected, what size…

A: The standard error of mean is, SE = σ/√n, where σ is the standard deviation and n is the sample…

Q: Which of the following is the correct formula for the margin of error of a population mean where the…

A: Introduction: It is required to identify the margin of error of a population mean for unknown…

Q: A certain data set has a variance of 9.  Find the standard deviation of the data set.

A: Given :-   Variance (S2) =9   we have to find standard devistion.

Q: A certain machine makes electrical resistors having a mean resistance of 50 ohms and a standard…

A: According to the given information, we have Mean = 50 Standard deviation = 4