Remaining Time: 1 hour, 54 minutes, 02 seconds. * Question Completion Status: 10 2 3 4 5 6 7 8 10 11 12 13 14 15 O Positively skewed O Negatively skewed O Bimodal 23 25 27 QUESTION 12 On an exam with...

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Extracted text: Remaining Time: 1 hour, 54 minutes, 02 seconds. * Question Completion Status: 10 2 3 4 5 6 7 8 10 11 12 13 14 15 O Positively skewed O Negatively skewed O Bimodal 23 25 27 QUESTION 12 On an exam with mean = 90 you have a score of X = 81. Which value for the standard deviation would give you the lowest position in the class distribution? O 3 O 6 O 12 O 8 QUESTION 13 "For a population with mean = 220 and a standard deviation = 48, the z-score corresponding to X = 227 is z =_ ? (Be sure to round your answer to the second decimal place). " QUESTION 14 550 and a standard deviation = 65, what is the X value corresponding to z = -2.66? (Be sure to round answer to the second decimal "For a population with a mean place)." RO E