A population has a mean μ 84 and a standard deviation -27 Find the mean and...

Question

Question

Answer 1

Answer #1

1)

$\mu$ x =84

$\sigma$ xbar =27/sqrt(81)=3

2)

sample mean =(13.3+23.1)/2 =18.2

margin of error =(23.1-13.3)/2=4.9

Answer 2

Similar Homework Help Questions

A population has a mean μ=71 and a standard deviation σ=27. Find the mean and standard...

A population has a mean μ=71 and a standard deviation σ=27. Find the mean and standard deviation of a sampling distribution of sample means with sample size n=81. μx=_____ (Simplify your answer.)
5.4.1 Question Help A population has a mean μ-84 and a standard deviation σ-36. Find the...

5.4.1 Question Help A population has a mean μ-84 and a standard deviation σ-36. Find the mean and standard deviation of a sampling distribution of sample means with sample size n 81. μί-d (simplify your answer.) 5.4.18-T Question Help I * The population mean and standard deviation are given below. Find the indicated probability and determine whether a sample mean in the given range below would be considered unusual. If convenient, use technology to find the probability For a sample...
A population has a mean μ-85 and a standard deviation σ-21. Find the mean and standard...

A population has a mean μ-85 and a standard deviation σ-21. Find the mean and standard deviation of a sampling distribution of sample means with sample size n 49 H(Simplity your answer) o-# L] (Simplify your answer.) to the random variable x is normally distributed with mean-83 and standard deviation ơ-4 Find the indicated probability P(70sx 76) P(70 < x < 76)= Round to four decimal places as needed.) Enter your answer in the answer box

a mean p - 78 and a standard deviation -14. Find the mean and standard deviation...

a mean p - 78 and a standard deviation -14. Find the mean and standard deviation of a sampling distribution ( μ. σκ ) of sample means with sample size n- (Simplity your answer) (Simplity your answer)
A population has a mean μ=73 and a standard deviation σ=24. Find the mean and standard...

A population has a mean μ=73 and a standard deviation σ=24. Find the mean and standard deviation of a sampling distribution of sample means with sample size n=64.
A population has a mean μ=87 and a standard deviation σ=30. Find the mean and standard...

A population has a mean μ=87 and a standard deviation σ=30. Find the mean and standard deviation of a sampling distribution of sample means with sample size n=249. μx= ?????

A population has a mean muequals81 and a standard deviation sigmaequals18. Find the mean and standard...

A population has a mean muequals81 and a standard deviation sigmaequals18. Find the mean and standard deviation of a sampling distribution of sample means with sample size nequals36. mu Subscript x overbarequals nothing (Simplify your answer.)
A sample mean, sample size, population standard deviation, and confidence level are provided. Use this information...

A sample mean, sample size, population standard deviation, and confidence level are provided. Use this information to complete parts (a) through (c) x = 33, n = 25, C = 6, confidence level = 90% Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table a. Use the one-mean z-interval procedure to find a confidence interval for the mean of the population from which the sample...
A population has a mean μ=0.1 and a standard deviation σ=0.2. What is the standard deviation...

A population has a mean μ=0.1 and a standard deviation σ=0.2. What is the standard deviation of the sampling distribution of the sample means if the sample size is n=112? Round your answer to the nearest hundredth.

A population has a mean muμequals=7575 and a standard deviation sigmaσequals=2424. Find the mean and standard...

A population has a mean muμequals=7575 and a standard deviation sigmaσequals=2424. Find the mean and standard deviation of a sampling distribution of sample means with sample size nequals=3636. mu Subscript x overbarμxequals=nothing (Simplify your answer.) sigma Subscript x overbarσxequals=nothing (Simplify your answer.)