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Exhibit 7-3
In a local university, 40% of the students live in the dormitories. A random sample of 80 students is selected for a particular study.
-Refer to Exhibit 7-3. The standard deviation of , known as the standard error of the proportion is approximately
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Q87: Z is a standard normal random variable.
Q94: Refer to Exhibit 9-6. The test statistic
Q114: Refer to Exhibit 6-3. The mean of
Q148: The advertised weight on a can of