Mathematics, 30.10.2020 02:30 MendesArmy333
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 Xof these residents is to be computed. The probability that the average age, Xof the 100 residents selected is less than 68.5 years is:
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Mathematics, 21.06.2019 16:40
Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.
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Mathematics, 21.06.2019 23:00
Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?
Answers: 2
The average age of residents in a large residential retirement community is 69 years with standard d...
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