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The census bureau reported that the mean household income in Hayward in 2019 was $86,744 with a standard deviation of $18,700. A simple random sample of 150 households from Hayward had a mean income of $89,396 with a standard deviation of $23,156. Find the probability that a sample of this size will indicate a mean of $89,396 or more?

The census bureau reported that the mean household income in Hayward in 2019 was $86,744 with a standard deviation of $18,700. A simple random sample of 150 households from Hayward had a mean income of $89,396 with a standard deviation of $23,156. Find the probability that a sample of this size will indicate a mean of $89,396 or more?

MATLAB: An Introduction with Applications
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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The census bureau reported that the mean household income in Hayward in 2019 was $86,744 with a standard deviation of $18,700. A simple random sample of 150 households from Hayward had a mean income of $89,396 with a standard deviation of $23,156. Find the probability that a sample of this size will indicate a mean of $89,396 or more?
Transcribed Image Text:The census bureau reported that the mean household income in Hayward in 2019 was $86,744 with a standard deviation of $18,700. A simple random sample of 150 households from Hayward had a mean income of $89,396 with a standard deviation of $23,156. Find the probability that a sample of this size will indicate a mean of $89,396 or more?
Given the standard enthalpy changes for the following two reactions: (1) Zn(s) + Cl₂(g) ZnCl₂(s) -415.0 kJ (2) Pb(s) + Cl₂(g) →→→→PbCl₂(s) -359.4 kJ ΔΗ° = ΔΗ° what is the standard enthalpy change for the reaction: (3) Zn(s) + PbCl₂(s)—ZnCl₂(s) + Pb(s) ΔΗ° = ? kJ
Transcribed Image Text:Given the standard enthalpy changes for the following two reactions: (1) Zn(s) + Cl₂(g) ZnCl₂(s) -415.0 kJ (2) Pb(s) + Cl₂(g) →→→→PbCl₂(s) -359.4 kJ ΔΗ° = ΔΗ° what is the standard enthalpy change for the reaction: (3) Zn(s) + PbCl₂(s)—ZnCl₂(s) + Pb(s) ΔΗ° = ? kJ
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