Is there a doctor in the house? A market research firm reported the mean annual earnings of all family practitioners in the United States was $178,258. A random sample of 49 family practitioners in Los Angeles had mean earnings of x =$191,950 with a standard deviation of $41,937. Do the data provide sufficient evidence to conclude that the mean salary for family practitioners in Los Angeles differs from the national average? Use the a=0.10 level of significance and the P-value method with the TI-84 Plus calculator. Part: 0 / 5 Part 1 of 5 (a) State the appropriate null and alternate hypotheses. HH H₁ : This hypothesis test is a (Choose one) test. OO ローロ μ S

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