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49% of workers got their job through internet resume sites. A researcher thinks it has increased. a) Express the null and alternative hypotheses in symbolic form for this claim. When entering the decimal enter the zero before the decimal point. For example, if you have 35%, enter it as 0.35. Ho: Ha: Use the following codes to enter the following symbols: > enter >= < enter <= + enter != b) You decide to survey 100 adult Americans and find that 12 of workers got their job through internet resume sites. Find the test statistic. Round to two decimal places. z = -7.40 c) What is the p-value? Round to 4 decimals. p d) Make a decision base on a 0.05 significance level. Reject the null O Do not reject the null e) What is the conclusion? O There is sufficient evidence to support the claim that 49 % of workers got their job through internet resume sites has increased ) There is not sufficient evidence to support the claim that 49 % of workers got their job through internet resume sites has increased

49% of workers got their job through internet resume sites. A researcher thinks it has increased. a) Express the null and alternative hypotheses in symbolic form for this claim. When entering the decimal enter the zero before the decimal point. For example, if you have 35%, enter it as 0.35. Ho: Ha: Use the following codes to enter the following symbols: > enter >= < enter <= + enter != b) You decide to survey 100 adult Americans and find that 12 of workers got their job through internet resume sites. Find the test statistic. Round to two decimal places. z = -7.40 c) What is the p-value? Round to 4 decimals. p d) Make a decision base on a 0.05 significance level. Reject the null O Do not reject the null e) What is the conclusion? O There is sufficient evidence to support the claim that 49 % of workers got their job through internet resume sites has increased ) There is not sufficient evidence to support the claim that 49 % of workers got their job through internet resume sites has increased

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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49% of workers got their job through internet resume sites. A researcher thinks it has increased. a) Express the null and alternative hypotheses in symbolic form for this claim. When entering the decimal enter the zero before the decimal point. For example, if you have 35%, enter it as 0.35. Ho: Ha: Use the following codes to enter the following symbols: enter >= enter <= + enter != b) You decide to survey 100 adult Americans and find that 12 of workers got their job through internet resume sites. Find the test statistic. Round to two decimal places. -7.40 c) What is the p-value? Round to 4 decimals. d) Make a decision base on a 0.05 significance level. O Reject the null Do not reject the null e) What is the conclusion? There is sufficient evidence to support the claim that 49 % of workers got their job through internet resume sites has increased O There is not sufficient evidence to support the claim that 49 % of workers got their job through internet resume sites has increased AIVI
Transcribed Image Text:49% of workers got their job through internet resume sites. A researcher thinks it has increased. a) Express the null and alternative hypotheses in symbolic form for this claim. When entering the decimal enter the zero before the decimal point. For example, if you have 35%, enter it as 0.35. Ho: Ha: Use the following codes to enter the following symbols: enter >= enter <= + enter != b) You decide to survey 100 adult Americans and find that 12 of workers got their job through internet resume sites. Find the test statistic. Round to two decimal places. -7.40 c) What is the p-value? Round to 4 decimals. d) Make a decision base on a 0.05 significance level. O Reject the null Do not reject the null e) What is the conclusion? There is sufficient evidence to support the claim that 49 % of workers got their job through internet resume sites has increased O There is not sufficient evidence to support the claim that 49 % of workers got their job through internet resume sites has increased AIVI
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