The image of the public library is constantly changing and

Reference no: EM13613117

The image of the public library is constantly changing, and their online services continue to grow. Usage of the library's home page grew by 17% during the past 12 months. It has been estimated that the current average length of a visit to the library's homepage is approximately 20 minutes. The library wants to take a sample to statistically estimate this mean. How large will the sample need to be to estimate the mean within 0.37 of 1 standard deviation with 0.95 confidence? (Round you answer up to the nearest whole number.)

Reference no: EM13613117

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