3.Suppose that you are interested in estimating the mean total cholesterol of the population of obese persons in the Nairobi. Assume that the total cholesterol levels follow a normal distribution with unknown population mean (μ) but with known standard deviation σ = 39.7 mg/dL. A random sample of 353 obese patients is selected from the underlying population with mean total cholesterol of 189.9 mg/dL. Construct a 95% confidence interval for μ and interpret

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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In the 2014 NHANES survey, a trained health technician measured participants’ body weight in kilograms (kg). The findings indicated that the mean weight was 78kg with a standard deviation of 8.2 kg.

  1. Find the probability that a randomly selected individual has a weight greater than 83 kg. 
  2. What is the relevance of studying biostatistics in public health? 

3.Suppose that you are interested in estimating the mean total cholesterol of the population of obese persons in the Nairobi. Assume that the total cholesterol levels follow a normal distribution with unknown population mean (μ) but with known standard deviation σ = 39.7 mg/dL. A random sample of 353 obese patients is selected from the underlying population with mean total cholesterol of 189.9 mg/dL. Construct a 95% confidence interval for μ and interpret 

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