A random sample of 300 female members of health clubs in Los Angeles showed that they spend,
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A random sample of 300 female members of health clubs in Los Angeles showed that they spend, on average, 4.5 hours per week doing physical exercise with a standard deviation of .75 hour. Find a 98% confidence interval for the population mean.
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Since n 300 is very large we use the normal distribution t...View the full answer
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