According to a Pew Research Center nationwide telephone survey of adults conducted between March 15 and April 24, 2011, 55% of college graduates said that college education prepared them for a job (Time, May 30, 2011). Suppose this result was true of all college graduates at that time. In a recent sample of 1900 coilege graduates, 60% said that college education prepared them for a job. Is there significant evidence at a 2% significance level to conclude that the current percentage of all college graduates who will say that college education prepared them for a job is different from 55%? Use both the p-value and the critical-value approaches. Round your answers for the observed value of z and the critical value of z to two decimal places, and the p-value to four decimal places. Enter the critical values in increasing order. Zobserved p-value - Critical values: and We can conclude that the current percentage of all college graduates who will say that college education prepared them for a job is 55%.

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According to a Pew Research Center nationwide telephone survey of adults conducted between March 15 and April 24, 2011, 55% of college graduates said that college education prepared them for a job (Time, May 30, 2011). Suppose this result was true of
all college graduates at that time. In a recent sample of 1900 coilege graduates, 60% said that college education prepared them for a job. Is there significant evidence at a 2% significance level to conclude that the current percentage of all college graduates
who will say that college education prepared them for a job is different from 55%? Use both the p-value and the critical-value approaches.
Round your answers for the observed value of z and the critical value of z to two decimal places, and the p-value to four decimal places. Enter the critical values in increasing order.
Zobserved
p-value -
Critical values:
and
We can conclude that the current percentage of all college graduates who will say that college education prepared them for a job is
55%.
Transcribed Image Text:According to a Pew Research Center nationwide telephone survey of adults conducted between March 15 and April 24, 2011, 55% of college graduates said that college education prepared them for a job (Time, May 30, 2011). Suppose this result was true of all college graduates at that time. In a recent sample of 1900 coilege graduates, 60% said that college education prepared them for a job. Is there significant evidence at a 2% significance level to conclude that the current percentage of all college graduates who will say that college education prepared them for a job is different from 55%? Use both the p-value and the critical-value approaches. Round your answers for the observed value of z and the critical value of z to two decimal places, and the p-value to four decimal places. Enter the critical values in increasing order. Zobserved p-value - Critical values: and We can conclude that the current percentage of all college graduates who will say that college education prepared them for a job is 55%.
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