The hemoglobin count (HC) in grams per 100 milliliters of whole blood is approximately normally distributed with population mean 14 for healthy adult women. Suppose a female patient has had 11 laboratory blood tests during the past year. Her average HC is 17.99 with s = 0.78. Is there evidence that her average HC is not 14? (a) State the null and alternative hypotheses: (Type "mu" for th

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The hemoglobin count (HC) in grams per 100 milliliters of whole blood is approximately normally distributed with population mean 14 for healthy adult women. Suppose a female patient has had 11 laboratory blood tests during the past year. Her average HC is 17.99 with s = 0.78. Is there evidence that her average HC is not 14?

(a) State the null and alternative hypotheses: (Type "mu" for the symbol μμ , e.g. mu > 1 for the mean is greater than 1, mu < 1 for the mean is less than 1, mu not = 1 for the mean is not equal to 1)
H0 : 
Ha : 

(b) Find the test statistic, t = 

7,5

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