1 point 50 people are randomly selected and the accuracy of their wristwatches is checked...
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1 point 50 people are randomly selected and the accuracy of their wristwatches is checked with positive errors representing watches that are ahead of the correct time and negative errors representing watches that are behind the correct time The 50 watches have an average error of 103 sec and the sample standard deviation of the watch errors is 170 sec Use a 0 02 significance level to test the claim that the average watch reads the correct time use a two sided alternative What is our null hypothesis 103 A Ho OB Ho OC Ho 103 103 0 D Ho OE Ho 0 OF Ho 0 OG Ho 103 OH Ho 0 OL Ho 103 J Ho p 0 OK Ho 103 OL Ho 0 What is our alternative hypothesis OA HA 0 OB HA 103 C HA 0 OD HA 103 OE HA 0 OF HA 103 OG HA 103 OH HA 0 OLHA 103 OJ HA 0 The test statistic is The P Value is
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