Question
According to the WHO MONICA Project the mean blood pressure for people in China is 128 mmHg with a standard deviation of 23 mmHg (Kuulasmaa,
According to the WHO MONICA Project the mean blood pressure for people in China is 128 mmHg with a standard deviation of 23 mmHg (Kuulasmaa, Hense & Tolonen, 1998).Blood pressure is normally distributed.
a.)State the random variable.
b.)Suppose a sample of size 15 is taken.State the shape of the distribution of the sample mean.
c.)Suppose a sample of size 15 is taken.State the mean of the sample mean.
d.)Suppose a sample of size 15 is taken.State the standard deviation of the sample mean.
e.)Suppose a sample of size 15 is taken.Find the probability that the sample mean blood pressure is more than 135 mmHg.
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Elementary Statisitcs
Authors: Barry Monk
2nd edition
1259345297, 978-0077836351, 77836359, 978-1259295911, 1259295915, 978-1259292484, 1259292487, 978-1259345296
