? round to three decimals Many people believe that criminals who plead guilty te

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?

round to three decimals

Many people believe that criminals who plead guilty tend to get lighter sentences than those who are convicted in trals The accompanying table sum marizes randomly selected sa mple data for defendants in burglary cases. All of the subjects had prior prison sentences Use a 0.05 significance level to test the claim that the sentence (sent to prison or not sent to prison) is independent of the plea. If you were an attorney defending a guilty defendant, would these results suggest that you should encourage a a guilty plea? EE Click the icon to view the table. Determine the null and altemative hypotheses. O Ho: Pleading guilty reduces a defendant's chance of going to prison. H1: Pleading guilty does not reduce a defendant's chance of going to prison. O B. Ho: The sentence (sent to prison or not sent to prison) is independent of the plea. H1: The sentence (sent to prison cr not sent to prison) is not independent of the plea. O C. Ho: Pleading guilty does not reduce a defendant's chance of going to prison. H1: Pleading guilty reduces a defendant's chance of going to prison. O D. Ho: The sentence (sent to prison or not sent to prison) is not independent of the plea. H1: The sentence (sent to prison or not sent to prison) is independent of the plea

Explanation / Answer

1) option B is correct

test stat =48.502

critical value = 3.841

reject.......there is ......................appears

Observed O guilty plea Not guilty plea Total sent to prison 361 66 427 Not 'sent to prison 586 20 606 Total 947 86 1033 Expected E=rowtotal*column total/grand total guilty plea Not guilty plea Total sent to prison 391.451 35.549 427 Not 'sent to prison 555.549 50.451 606 Total 947 86 1033 chi square =(O-E)^2/E guilty plea Not guilty plea Total sent to prison 2.369 26.0844 28.453 Not 'sent to prison 1.669 18.380 20.049 Total 4.038 44.464 48.5019

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