Mathematics, 30.04.2021 08:50 dchannakhone84

A memory test consist of 35 task. Each task is graded on a scale of 1 to 10. The score of the memory test is reported as the sum of the scores of the task. The main score of the task is 4.8 with a standard deviation of 3.4. What is the probability that a random selected exam he will score 157 points or less on the memory test.

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A memory test consist of 35 task. Each task is graded on a scale of 1 to 10. The score of the memory...