8. A sample of size 36 is drawn from a distribution with a mean of 24 and a standard deviation of 6.25. Based on the central limit theorem, the distribution of the sample mean is: a. Normal with a mean of 24 and a standard error of 6.25. b. Normal with a mean of 24 and standard error of 6.25/v36. c. Non-normal with a mean of 24 and standard error of 6.25/V36. d. Not able to be determined from the information given.

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

A:

Q: 23 The masses of 1500 ball bearings are normally distributed, with a mean of 22.40g and a standard…

A:

Q: Find the t-score for a sample of size 18 taken from a population with mean 9 when the sample mean is…

A: It is given that  Population mean = 9 Sample mean = 12 Sample standard deviation = 1.5 Sample size =…

Q: For random samples of size n=16 selected from a normal distribution with a mean of 75 abd standard…

A: Given Information Mean µ = 75 Standard deviation(σ) = 20

Q: I have sent the picture below of the question I need answered

A: Given Information- Data given for the sitting back-to-knee length for a group of adults is given…

Q: For a population with a mean of μ = 40 and a stan- dard deviation of σ = 8, find the z-score…

A: Givenμ=40 and σ=8   The z-score for population is calculated asz=x-μσ And the z-score for sample is…

Q: Suppose the neck size of men is normally distributed, with a mean of 15.5 inches and a standard…

A: Normal Distribution: A continuous random variable X is said to follow Normal distribution with…

Q: Suppose x has a distribution with mean equals 23 and standard deviation 17. If a random sample of…

A:

Q: If x represents a random variable with mean 110 and standard deviation 14, then the standard…

A: If x represents a random variable with mean 110 and standard deviation 14. μ=110σ=14 sample…

Q: A population has a mean of μ = 30 and a standard deviation of σ = 8 A) If the population…

A: (a) Obtain the probability of obtaining a sample mean greater than M= 32 for a sample of n= 4 if the…

Q: Suppose x has a distribution with mean =23 and standard deviation =17.           Part b).   If a…

A: Given : μ = 23 , σ= 17 and n= 68

Q: (a) If X is the sample mean diameter for a random sample of n = 16 rings, where is the sampling…

A: Solution

Q: Suppose the neck size of men is normally distributed, with a mean of 15.5 inches and a standard…

A: We know by empirical rule that; If, X~Normal(μ,…

Q: If the average low temperature of a winter month in Kansas is 19∘ and the standard deviation is…

A: Given  Mean=μ=19, σ=3.9, P(14.71<X<23.29)=?

Q: Suppose that the sitting back-to-knee length for a group of adults has a normal distribution with a…

A: Note:-Hey there! As per our policy we can answer only 1 ques at a time. Please make a new request…

Q: 23. Make a conjecture about the relationship between og, ox, and N, where az is the standard…

A:

Q: 1. Assume that the readings at freezing on a batch of thermometers are normally distributed with a…

A:

Q: According to the central limit theorem, if a sample of size 64 is drawn from a population with a…

A: The standard deviation of sample means can be calculated as: Given: n = 64 σ=80

Q: 19. Suppose random samples of size 250 are drawn from a population in which the proportion with a…

A:

Q: 1. Ninety-five percent of all cultivated strawberry plants grow to a mean height of 11.4 cm with a…

A:

Q: 6. Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard…

A: Given that mu =5.67,s.d =0.07

Q: If the standard deviation of the mean for the sampling distribution of random samples of size 46…

A:

Q: Consider again that the company making tires for bikes is concerned about the exact width of its…

A: Given information: The lower specification limit is 22.8 mm and the upper specification is 23.2 mm.…

Q: A sample with a mean of M = 62 and a standard deviation of s = 5 is transformed into a standardized…

A: It is given that the sample mean M =62 and the standard deviation s is 5.

Q: suppose x has a distribution with a mean of 20 and a standard deviation of 3. Random samples of size…

A: Given, suppose x has a distribution with a mean of 20 and a standard deviation of 3. Random samples…

Q: In a population of Siberian flying squirrels in western Finland, assume that the the number of pups…

A:

Q: Suppose x has a distribution (not nessarily normal) with mean 50 and standard deviation 8. According…

A: Solution: 1. From the given information, X has mean µ=50 and a standard deviation σ=8.

Q: Suppose that the sitting back-to-knee length for a group of adults has a normal distribution with a…

A: Note: Hi there! Thank you for posting the question. As there are several independent questions,…

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

A: The z score can be calculated as: z=x-μσ The required z score that is associated with the 85% to the…

Q: An entire population has mean of μ = 17.4 and standard deviation of σ = 3.2. By using Chebyshev’s…

A: Given: Mean of population, μ=17.4 Standard deviation, σ=3.2 Objective of the question is to…

Q: VII. Suppose a population of rice grain sacks has a mean of 180 with a standard deviation of 50 kg.…

A:

Q: amdom variable with a mean =13.2 and standard deviation =5.6 Ramdom samples of fixed size n=12 are…

A: As the population distribution is normal, it can be said that the distribution of the sample with…

Q: Suppose that the heights of adult females is normally distibuted with population mean equal to 168cm…

A: We have given that.    X~N( μ , ?^2 )    μ =168     , ? = 6   Z-score =( x - μ )/?

Q: 1. If the standard deviation of the mean for the sampling distribution of random samples of size 36…

A:

Q: Assume that stock fund expenses and municipal bond fund expenses are each approximately normally…

A:

Q: 17. The distribution of scores on the SAT is approxi- mately normal with a mean of u deviation of o…

A: Let X be the random variable representing the SAT score. Here, X~N( 500, 1002)…

Q: For random samples of size n=16 selected from a normal distribution with a mean of u=75 and a…

A: Given, n=16μ=75σ=20 Now the mean and standard deviation of the sample mean is obtained as-…

Q: o compare the yields of two different types of wheat seeds. An average of 325 kg of product per…

A: Given: x bar 1=325x bar 2=450sigma 1=120sigma 2=100n1=100n2=200 The formula and calculations for the…

Q: d to compare the yields of two different types of wheat seeds. An average of 325 kg of product per…

A: Given: sigma1=120sigma2=100n1=100n2=200x bar 1=325x bar 2=450   The formula and calculations of…

Q: Suppose that prices of a certain model of new homes are normally distributed with a mean of…

A:

Q: 11. Assume that the weights of individuals are independent and normally distributed with a mean of…

A: Given data Assume that the weights of individuals are independent  with mean of 160  and standard…

Q: For random samples of size n = 25 selected from a normal distribution with a mean of mean of μ = 50…

A: Let X follows normal distribution with a mean of mean of μ = 50 and a standard deviation of σ = 20…

Q: 1.a. Given a normal distribution with population standard deviation of 13 and a mean of ? = 16. If a…

A: we have given that  sample size n=59 ,sigma =13 and mean(mu)=16 X~N(mu=16 , sigma^2=13^2) X is…

Q: mple with a mean of M=62 and a standard deviation of s= 5 is transformed into a standardized…

A: The formula of z score is: Given: A sample with a mean of M=62 and a standard deviation of s= 5 is…

Q: EN: POPULATION MEAN: 94.60 AND POPULATION STANDARD DEVIATION: 2.3324 What is the percentage that a…

A:

Q: 6. Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard…

A: Here, µ= 5.67, σ= 0.070. The legal quarters will be accepted if coins weigh between 5.48 and 5.82.

Q: 17. A 20,000-piece manufacturing run of 2200 resistors has a mean value of 2200 (naturally!) and a…

A: Given information: μ=220 Ωσ=2.5 ΩTolerance level=2%N=20,000 Note:  Ω symbol is shown as 0 in the…

Q: Suppose x has a distribution with a mean of 50 and a standard deviation of 36. Random samples of…

A: Solution: From the given information, X has a mean µ=50 and a standard deviation σ=36. The sample…

Q: Calculate the percentage of women who measures (a) more than 1.70 m. (b) between 1.66 and 1.58 m.…

A:

Q: Suppose that a very large number of random samples of size 25 are selected from a population with…

A: Given, Sample size, n =25 Mean, μ = 300 Standard deviation, σ = 20