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The average height of 18-year-old American women is 64 inches with a standard deviation of 0'=3. You wonder whether the mean height of this year's female graduates from your local high school is different from the national average. You measure an SRS of 78 female graduates and find that E: = 63.1 inches. State the null and alternative hypotheses in sybolic form. Be sure to include all the important "Components of Hypothesis Statements" from our list in the Section 9.1 -9.4 Canvas page] lesson. Symbol notes: Use mu for ,u, use x-bar for 5:, use :1: for not equal to 79 , use >= for 2 , use