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please explain Is there a doctor in the house? A market research firm reported the mean annual earnings of all family practitioners in the United

please explain

image text in transcribed 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 43 family practitioners in Los Angeles had mean earnings of x = $193,010 with a standard deviation of $42,777. Do the data provide sufficient evidence to conclude that the mean salary for family practitioners in Los Angeles is greater than the national average? Use the a = 0.05 level of significance and the P-value method with the TI-84 Plus calculator. Part 1 of 4 State the appropriate null and alternate hypotheses. H: H = 178258 H: H > 178258 This hypothesis test is a right-tailed test. Part: 1 / 4 Part 2 of 4 Compute the P-value. Round the answer to four decimal places. P =

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