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Do rk.aspx? 4895412 12&question;!d=15&flushed-false;&cld-49972; 30&centerwi; Math 122-Summer 2018 Erika Flores | 6/30/18 1:08 PM Homework: Chapter 8 Homework Score: 0 of 1 pt 8.3.21 Hw Score: 61.45%, 16.59 of 27 pt E Question Help In a survey of 155 senior executives, 49% said that the most level to test the daim that in the population of all senior executives, 40% say that the most common ob interview mistake is to have little or no kno job interview mistake is to have little or no knowledge of the company. Use a 0.05 significance ledge of the Identify the null hypothesis, alternative hypothesis, test statistic, P-value, original claim. Use the P-value method. Use the normal distribution as an approximation of the binomial OA, Ho: p#0.6 B. Hop 0.6 H: p>0.6 H,: p #0.6 H,: p>0.4 H: p

Explanation / Answer

Correct option : F. Ho : p = 0.4

H1 : p not equal to 0.4

p = 0.49

Z = (p - po )/ (po*(1-po)/n)0.5 = ( 0.49 - 0.4 )/ (0.4*(1-0.4)/155)0.5 = 2.29

The test statistic is Z = 2.29

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