Question
A survey of randomly chosen adults found that 18% of the 218 women and 22% of the 232 men surveyed had purchased books online. Find
A survey of randomly chosen adults found that 18% of the 218 women and 22% of the 232 men surveyed had purchased books online. Find a 99% confidence interval for the difference in the proportions of women and men whi purchase books online and explain what your interval means.
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Advanced Engineering Mathematics
Authors: ERWIN KREYSZIG
9th Edition
0471488852, 978-0471488859
