Help please!!

Facebook Friends Many people believe that the average number of Facebook friends is 140. The population standard deviation is 38.4. A random sample of 47 high school students in a particular county revealed that the average number of Facebook friends was 146. At a = 0.05, is there sufficient evidence to conclude that the mean number of friends is greater than 140? Use the P-value method. Use a graphing calculator. Part: 0 / 4 Part 1 of 4 (a) State the hypotheses and identify the claim. Ho (Choose one) 00 0=0 H (Choose one) V This hypothesis test is a (Choose one) V test. XPart: 1 / 4 Part 2 of 4 (b) Find the P-value. Round the answer to at least four decimal places. P-value = X 5Part: 2 / 4 Part 3 of 4 (c) Make the decision. (Choose one) V the null hypothesis. X 5(d) Summarize the results. There (Choose one) Y enough evidence to support the claim that the mean number of Facebook friends is greater than 140