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Jane walks to school every day. The length of time this takes can be modelled by a notmal distribution with a mean of 11 minutes

Jane walks to school every day. The length of time this takes can be modelled by a notmal distribution with a mean of 11 minutes and a standard deviation of 3 minutes. She is late if her journey takes more than 15 minutes A) find the probability she is late next monday B) find the probability she is late at least once during the next week (monday to friday)

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