The normal distribution, also known as the Gaussian distribution or bell curve, is widely used in science. It is a probability distribution that has the following properties. The distribution has a single peak located at the mean. Furthermore, the mean, median and mode are all equal, so they also correspond to the location of the highest point in a normal distribution. The distribution is symmetric. In other words, it has no skew. It is parametric meaning that the distribution is completely characterized by two parameters: the mean and standard deviation. The normal distribution is "light tailed". This means that as you move away from the mean, the probabilities get small very quickly.One of the reasons that the normal distribution is used so widely is that is arises naturally in many real world situations.
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i beileve B
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“The Constitution . . . shall be the supreme law of the land.”
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Eveline Hill sits at a window in her home and looks out onto the street while fondly recalling her childhood, when she played with other children in a field now developed with new homes. Her thoughts turn to her sometimes abusive father with whom she lives, and to the prospect of freeing herself from her hard life juggling jobs as a shop worker and a nanny to support herself and her father. Eveline faces a difficult dilemma: remain at home like a dutiful daughter, or leave Dublin with her lover, Frank, who is a sailor. He wants her to marry him and live with him in Buenos Aires, and she has already agreed to leave with him in secret. As Eveline recalls, Frank's courtship of her was pleasant until her father began to voice his disapproval and bicker with Frank. After that, the two lovers met clandestinely. As Eveline reviews her decision to embark on a new life, she holds in her lap two letters, one to her father and one to her brother Harry. She begins to favor the sunnier memories of her old family life, when her mother was alive and her brother was living at home, and notes that she did promise her mother to dedicate herself to maintaining the home. She reasons that her life at home, cleaning and cooking, is hard but perhaps not the worst option her father is not always mean, after all. The sound of a street organ then reminds her of her mother's death, and her thoughts change course.
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