A hypertensive patient has been on antihypertensive medication for several years. Her physician wants to monitor her blood pressure via weekly measurements taken at home. Each week for 6 weeks she takes several blood pressure readings and averages the readings to get a summary blood pressure for the week. The diastolic blood pressure (DBP) results are shown in Table Suppose we have a population with a normal distribution with mean = 50 and standard deviation = 10. We draw a sample of 13 observations from this distribution. 6.106 What is the probability that the sample mean will be within 1 unit of the population mean? 6.107 Suppose we want to choose a large enough sample so that the sample mean is within 1 unit of the population mean 99% of the time. What is the minimum sample size to achieve this goal?
A hypertensive patient has been on antihypertensive medication for several years. Her physician wants to monitor her
blood pressure via weekly measurements taken at home.
Each week for 6 weeks she takes several blood pressure
readings and averages the readings to get a summary blood
pressure for the week. The diastolic blood pressure (DBP)
results are shown in Table
Suppose we have a population with a
with mean = 50 and standard deviation = 10.
We draw a sample of 13 observations from this distribution.
6.106 What is the probability that the sample mean will be
within 1 unit of the population mean?
6.107 Suppose we want to choose a large enough sample
so that the sample mean is within 1 unit of the population
mean 99% of the time. What is the minimum
achieve this goal?
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