From a sample with n = 36, the mean duration of a geyser's eruptions is 3.56 minutes and the standard deviation is0.71 minutes. Using Chebychev's Theorem, determine at least how many of the eruptions lasted between 2.14 and4.98 minutes.At least of the eruptions lasted between 2.14 and 4.98 minutes.(Simplify your answer.) From a sample with n = 32, the mean number of pets per household is 4 with a standard deviation of 1 pet. Using Chebychev's Theorem, determine at least how many of thehouseholds have 2 to 6 pets.At least of the households have 2 to 6 pets.LN(Simplify your answer.)

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Answered: From a sample with n = 36, the mean…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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For a sample with a standard deviation of s = 12, a score of X = 42 corresponds to z = –0.50. The mean for the sample is M = ___. a. 48 b. 45 c. 40 d. 36
A sample has a mean of M=60 and a standard deviation of s=7. For this sample, find the z-score for each of the following X values. x=69 x=54 x-72 x=49 x=63 x=52
A population has a mean μ = 72 and a standard deviation a=27. Find the mean and standard deviation of a sampling distribution of sample means with sample size H n=81. IIE R (Simplify your answer.) (Simplify your answer.) a: =
A population of scores has µ=44. In this population, a score of X= 40 corresponds to z= - 0. 50. What is the population standard deviation?
For samples of the specified size from the population described, find the mean and standard deviation of the sample mean x. do The National Weather Service keeps records of rainfall in valleys. Records indicate that in a certain valley, the annual rainfall has a mean of 78 inches and a standard deviation of 10 inches. Suppose the rainfalls are sampled during randomly picked years, and x is the mean amount of rain in these years. For samples of size 25, determine the mean and standard deviation of x. OH=2; 0,=78 OH=78; 0,=10 OH=10; 6,=78 OH=78; o,=2 Submit Assignment Continue O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Accessibility MacBook Air 888 DII D esc F11 F12 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 @ # $ & * 1 3 4 7 8. 9.
Use the information below to answer Questions #28 and #29. A population has a mean u = 86 and a standard deviation o = 6. Find the population mean of the sample means (HE) with sample size n = 36. Simplify your answer.
The shape of a given population distribution is normal with a mean of μ = 85 and a standard deviation of o= 6.5. For these parameters, transform a raw score of X = 100.5 into its corresponding z score. Round to the nearest tenths place if a fraction. The z score is: O 2.4 -3.7 -3.4 09.2 The correct z-score is not listed.
A sample of 14 small bags of the same brand of candies was selected. Assume that the population distribution of bag weights is normal. The weight of each bag was then recorded. The mean weight was 2 ounces with a standard deviation of 0.12 ounces. The population standard deviation is known to be 0.1 ounce. x = σ = sx = n = n − 1 =
6. A population of scores has µ = 44. In this population, a score of X = 40 corresponds to z =-0.50. What is the population standard deviation?
A population has a mean μ = 82 and a standard deviation o = 16. Find the mean and standard deviation of a sampling distribution of sample means with sample size n = 64. H = (Simplify your answer.) ...
For a population with a mean of μ = 70, a score of X = 64 corresponds to z = −1.50. What is the population standard deviation?
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=28.1σ=28.1. You would like to be 98% confident that your esimate is within 3 of the true population mean. How large of a sample size is required?n =

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