Mathematics, 01.12.2019 20:31, zamariahyou

Aretirement community takes a random sample of 25 of its residents and finds the average age is 74. the
sample standard deviation is 9.8 years. calculate a 99% confidence interval for u. round to one decimal place.

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Mathematics, 06.07.2019 02:30, owensdonld

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Mathematics, 25.07.2019 17:20, Kana81

The average age of residents in a large residential retirement community is 69 years with standard deviation 5.8 years. a simple random sample of 100 residents is to be selected, and the sample mean age of these residents is to be computed. we know the random variable has approximately a normal distribution because of

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Mathematics, 28.07.2019 07:00, legault4983

The average age of residents in a large residential retirement community is 69 years with standard deviation 5.8 years. a simple random sample of 100 residents is to be selected, and the sample mean age of these residents is to be computed. the probability that the average age, of the 100 residents selected is less than 68.5 years is

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Aretirement community takes a random sample of 25 of its residents and finds the average age is 74....

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Aretirement community takes a random sample of 25 of its residents and finds the average age is 74. thesample standard deviation is 9.8 years. calculate a 99% confidence interval for u. round to one decimal place.

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Aretirement community takes a random sample of 25 of its residents and finds the average age is 74. the
sample standard deviation is 9.8 years. calculate a 99% confidence interval for u. round to one decimal place.