1. You were told that the mean score on a statistic exam is 75 with the scores normally distributed. In addition, you know the probability of a score between 55 and 60 is 4.41% and that the probability of a score greater than 90 is 6.68%. Whe the p the probet c) What is the probability of a score lower than 55? d) The middle 86.64% of the students will score between which two scores? e) The middle 95.46% of the students will score between which two scores?

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