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The average number of words in a romance novel is 64 416 and the standard deviation is 17 277 Assume the distribution is normal Let

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The average number of words in a romance novel is 64 416 and the standard deviation is 17 277 Assume the distribution is normal Let X be the number of words in a randomly selected romance novel Round all answers to 4 decimal places where possible a What is the distribution of X X N 64 416 b Find the proportion of all novels that are between 67 871 and 81 693 words c The 70th percentile for novels is 17 277 d The middle 70 of romance novels have from Round to the nearest word words Round to the nearest word words to words

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