40 people were surveyed, 95% of them had between 42 and 54 hours of sleep per...
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40 people were surveyed, 95% of them had between 42 and 54 hours of sleep per week. Results were found to be normally distributed. (a) How many hours of sleep per week would correspond to a z-score of 1.5 in this survey? hours (b) A participant, Jameel, had 57 hours of sleep per week. What is his z-score? z score is (c) Comparing to everyone surveyed, what percentage of people did Jameel sleep more than? Jameel slept more than % of the people surveyed 40 people were surveyed, 95% of them had between 42 and 54 hours of sleep per week. Results were found to be normally distributed. (a) How many hours of sleep per week would correspond to a z-score of 1.5 in this survey? hours (b) A participant, Jameel, had 57 hours of sleep per week. What is his z-score? z score is (c) Comparing to everyone surveyed, what percentage of people did Jameel sleep more than? Jameel slept more than % of the people surveyed
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