A book had more than 500 pages and a random sample of 25 pages of the novel was taken, and the number of words on each page counted. The mean number of words for the sample was 323 words, and the standard deviation was 38.4 words. Calculate 80% confidence limits for the mean number of words for the pages of the entire novel. Express your answers to the nearest whole number. 303 and 343 308 and 338 310 and 336 O 313 and 333

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