let x be random variable that represents the hemoglobin count in human blood. in healthy adult females x has an approximately normal distribution with a population mean of 14.1 and population standard deviation of 2.0. suppose a female patient had 10 blood test over the past year, and the sample mean was determined to be 15.7. with a level of significance .01, determine whether the patient HC is higher than the population average.
state the null hypothesis and the alternate hypothesis

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