Given a population where p = 0.10, find the standard deviation of the samping distribution when n = 2000

Q: Suppose that you are interested in determining the average height of a person in a large city. You…

A: Solution: Given information: n= 400 Sample size  x=63 inches Sample mean s= 6 inches Sample standard…

Q: Use the body temperatures, in degrees Fahrenheit, listed in the accompanying table. The range of the…

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Q: A set of data items is normally distributed with a mean of 500. Find the data item in this…

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

A: Given data:  mean = 0°C and  standard deviation =  1.00°C.  Assume that the readings at freezing on…

Q: In a survey, the mean weight of 1026 rats was calculated to be 132 gr. The standard deviation of the…

A:

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

A: Given,μ=0σ=1 P(Z<z)=0.29

Q: a. z=+2.00 z=+0.50 z = −1.00 z = −0.25

A: a. The location of z-score equal to +2.00 is, z=x-μσ+2=x-μ20x-μ=+40 Thus, z=+2.00 is a location that…

Q: In a normal distribution of measurements having a mean of 200 pound standard deviation of 30 pounds,…

A: GivenMean(μ)=200standard deviation(σ)=30

Q: The average rent in a city is $3,250 per month with a standard deviation of $150. Assume that rents…

A:

Q: what is the approximate number of students taking the exam?

A: given: Grades follow Normal with u= 75 and σ= 8 12 students got more than 90.…

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

A: From the provided information, Mean (µ) = 0 Standard deviation (σ) = 1 X~N (0, 1) Here X be a random…

Q: study of a population showed that​ males' body temperatures are approximately Normally distributed…

A: We have given that the Mean=98.3, Standard deviations=0.60

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

A: We have given that  The readings at freezing on a bundle of thermometers are normally distributed…

Q: A variable is normally distributed with mean 15 and standard deviation 2. a. Find the percentage of…

A: Given that, Mean = 15 Standard deviation = 2

Q: Use the z table to find the value k so that 40% of the scores are greater than k.

A: Normal distribution is widely used in statistics . It is very useful in modern times .

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

A:

Q: Birth weights at a local hospital have a Normal distribution, with a mean of 110110 oz and a…

A:

Q: During rush hour, the traffic speed on a busy highway is found to have mean 42 mph and standard…

A:

Q: Refer to the accompanying table, which describes results from groups of 8 births from 8 different…

A: Solution-: Given probability distribution: Let, X=The number of girls among 8 children X P(X)…

Q: The annual per capita consumption of canned fruit by people in the U.S. is normally distributed,…

A: Sampling distribution of x¯ : If simple random sample of size n is drawn from Normal population with…

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

A: Given Data Population Mean,μ = 0.0 Population Standard Deviation,σ = 1.0

Q: A standardized exam's scores are normally distributed. In a recent year, the mean test score was…

A:

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

A: For the standard normal distribution, the Mean is 0 and the standard deviation 1. Draw the normal…

Q: Suppose that weights of 5th grade elementary girls are normally distributed with mean µ = 64 lbs and…

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Q: A simple random sample of 144 observations was taken from a large population. The sample mean and…

A: sample mean is given by, x = 120.8 and sample standard deviation is given by, s = 32.46 Number of…

Q: Seattle, Washington, averages m=34 inches of annual precipitation. Assuming that the distribution of…

A: From the provided information, Mean (µ) = 34 inches Standard deviation (σ) = 6.5 inches Let X be a…

Q: A simple random sample of 100 observations was taken from a large population. The sample mean and…

A: According to the given information in this question We need to find standard error

Q: John wishes to estimate the population standard deviation of salary of college graduates who took a…

A: From the provided information, Confidence level = 95% Margin of error (tolerance) = 1% or 0.01

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

A: Given: Mean (µ) = 0oC Standard deviation (σ) = 1.000C X~N (0, 1)

Q: The distribution of the number of transactions per day at a certain automated teller machine (ATM )…

A: Mean(µ) = 80Standard deviations (σ) = 10X ~ N (µ, σ )= N(80,10)

Q: In a large section of a statistics​ class, the points for the final exam are normally​ distributed,…

A: Given that the mean value is 76 and the standard deviation is 7. Grades are assigned such that the…

Q: In a survey, the mean weight of 1005 rats was calculated to be 132 gr. The standard deviation of the…

A:

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

A:

Q: Suppose that the blood pressure of the human inhabitants of a certain Pacific island is distributed…

A:

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

A:

Q: John wishes to estimate the population standard deviation of salary of college graduates who took a…

A: Standard deviation is the positive square root of the mean of the squared deviations of given…

Q: The amounts of electricity bills for all households in a particular city have an approximately…

A:

Q: In a survey, the mean weight of 1032 rats was calculated to be 132 gr. The standard deviation of the…

A: Given data,n=1032μ=132s=3P(X<124.5<X<139.5)=?

Q: A given distribution has a population mean, 131 and a population standard deviation, o, of 12. What…

A: It is given that the mean is 131 and the standard deviation is 12.

Q: A normal distribution has a mean of 85 and a standard deviation of 6. Find the z-score for a data…

A: We have given that Mean(µ) = 85Standard deviations (σ) = 6X ~ N (µ, σ )= N(85, 4) The z-score for…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.