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Let x be a random variable that represents the hemoglobin count (HC) in human blood (measured...

Let x be a random variable that represents the hemoglobin count (HC) in human blood (measured in grams per milliliter). In healthy adult females, x has an approximately normal distribution with a population mean of μ=14.2, and population standard deviation of σ=2.5. Suppose a female patient had 10 blood tests over the past year, and the sample mean HC was determined to be x¯¯¯=15.1. What is the value of the sample test statistic (z)? What is the P-value of the test? At a significance level of 0.05, what can we conclude about the HC of the female patient? We conclude that her HC is than the population average. Your answers must be accurate to the nearest hundredth.

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