3. (Example 3) Suppose mean of x = 37.5ml/ sample size necessary mean plasma volume Fischbach).

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3. (Example 3) Suppose a random sample of 45 male firefighters are tested for plasma volume. The sample
%3D
mean of x = 37.5 ml/kg (milliliters plasma per kilogram of body weight). Assume o = 7.50 ml/kg. Find the
sample size necessary for a 99% confidence level with maximum error of the estimate E=2.50 ml/kg for the
mean plasma volume in male firefighters. (Reference: Manual of Laboratory and Diagnostic Tests, F.
Fischbach).
Transcribed Image Text:3. (Example 3) Suppose a random sample of 45 male firefighters are tested for plasma volume. The sample %3D mean of x = 37.5 ml/kg (milliliters plasma per kilogram of body weight). Assume o = 7.50 ml/kg. Find the sample size necessary for a 99% confidence level with maximum error of the estimate E=2.50 ml/kg for the mean plasma volume in male firefighters. (Reference: Manual of Laboratory and Diagnostic Tests, F. Fischbach).
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