A memory test consists of 35 tasks. Each task is graded on a scale of 1 to 10. The score on the memory test is reported as the sum of the scores of the tasks. The mean score on the tasks is 4.8 with a...

Extracted text: A memory test consists of 35 tasks. Each task is graded on a scale of 1 to 10. The score on the memory test is reported as the sum of the scores of the tasks. The mean score on the tasks is 4.8 with a standard deviation of 3.5. What is the probability that a randomly selected examinee will score 162 points or more on the memory test? Carry your intermediate computations to at least four decimal places. Report your result to at least three decimal places.


Extracted text: A psychologist designed a new aptitude exam to measure logical and analytical thinking abilities. The time allowed for the exam is 60 minutes, and the exam is made up of 35 multiple choice questions. The psychologist expects that an examinee will spend an average of 1.63 minutes answering each question, with a standard deviation of 0.89 minutes. What proportion of examinees will complete the exam on time? Carry your intermediate computations to at least four decimal places. Report your result to at least three decimal places.