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Entered Answer Preview Result 1 0.84134 1 correct 0.84134 incorrect -1 correct 0.15866 0.15866 incorrect 82 82 correct 0.748 57 -1.13 0.748 57 -1.13
Entered Answer Preview Result 1 0.84134 1 correct 0.84134 incorrect -1 correct 0.15866 0.15866 incorrect 82 82 correct 0.748 57 -1.13 0.748 57 -1.13 incorrect incorrect incorrect At least one of the answers above is NOT correct. Final exam scores in a statistics course are normally distributed with a mean of 73 and a standard deviation of 14. Based on the above information and a Z-table, fill in the blanks in the table below. Precision and other notes: (1) Percentiles should be recorded in percentage form to three decimal places. Z-score should be recorded to two decimal places. Exam scores should be recorded as whole numbers. (2) Note that this problem does not use the rough values of the 68-95-99.7 rule (that is, the empirical rule); instead you must use Z- table values for percentiles. Exam score Z-score Percentile 87 1 0.84134 59 -1 0.15866 82 0.67 0.748 57 -1.13 0.13
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